Bibliografie tematiche / Fundamental constants

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Letteratura scientifica selezionata sul tema "Fundamental constants"

Autore: Grafiati
Pubblicato: 4 giugno 2021
Ultima modifica: 25 luglio 2025

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Articoli di riviste sul tema "Fundamental constants"

1

Duff, M. J. "How fundamental are fundamental constants?" Contemporary Physics 56, no. 1 (2014): 35–47. http://dx.doi.org/10.1080/00107514.2014.980093.

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Fritzsch, Harald. "Fundamental physical constants." Uspekhi Fizicheskih Nauk 179, no. 4 (2009): 383. http://dx.doi.org/10.3367/ufnr.0179.200904d.0383.

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McNaught, Ian J., and Gavin D. Peckham. "Two fundamental constants." Journal of Chemical Education 64, no. 12 (1987): 999. http://dx.doi.org/10.1021/ed064p999.

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4

Jacobsen, T. "On fundamental constants." European Journal of Physics 17, no. 2 (1996): 92. http://dx.doi.org/10.1088/0143-0807/17/2/011.

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5

PERES, ASHER. "VARIABILITY OF FUNDAMENTAL CONSTANTS." International Journal of Modern Physics D 12, no. 09 (2003): 1751–54. http://dx.doi.org/10.1142/s0218271803004043.

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Are universal fundamental constants really constant over cosmological times? Recent observations of the fine structure of spectral lines in the early universe have been interpreted as due to a variation of the fine structure constant e2/4πε0ℏc. From the assumed validity of Maxwell equations in general relativity and well known experimental facts, it is proved that e and ℏ are absolute constants. On the other hand, the speed of light need not be constant.
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Mohr, Peter J., Barry N. Taylor, and David B. Newell. "The fundamental physical constants." Physics Today 60, no. 7 (2007): 52–55. http://dx.doi.org/10.1063/1.2761803.

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Jacobsen, T. "Bremsstrahlung and fundamental constants." European Journal of Physics 17, no. 6 (1996): 365. http://dx.doi.org/10.1088/0143-0807/17/6/012.

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Troitskiĭ, V. S. "Evolution of fundamental constants." Soviet Journal of Quantum Electronics 17, no. 9 (1987): 1212–13. http://dx.doi.org/10.1070/qe1987v017n09abeh009915.

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Fritzsch, Harald. "The fundamental constants in physics." Physics-Uspekhi 52, no. 4 (2009): 359–67. http://dx.doi.org/10.3367/ufne.0179.200904d.0383.

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Okun, Lev B. "The fundamental constants of physics." Uspekhi Fizicheskih Nauk 161, no. 9 (1991): 177–94. http://dx.doi.org/10.3367/ufnr.0161.199109e.0177.

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Tesi sul tema "Fundamental constants"

1

Sandvik, Havard Bunes. "Varying fundamental constants in cosmology." Thesis, Imperial College London, 2002. http://hdl.handle.net/10044/1/11460.

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DiFilippo, Frank. "Precise atomic masses for determining fundamental constants." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/26860.

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Thompson, Rodger. "The Relation between Fundamental Constants and Particle Physics Parameters." MDPI AG, 2017. http://hdl.handle.net/10150/624359.

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The observed constraints on the variability of the proton to electron mass ratio and the fine structure constant are used to establish constraints on the variability of the Quantum Chromodynamic Scale and a combination of the Higgs Vacuum Expectation Value and the Yukawa couplings. Further model dependent assumptions provide constraints on the Higgs VEV and the Yukawa couplings separately. A primary conclusion is that limits on the variability of dimensionless fundamental constants such as and provide important constraints on the parameter space of new physics and cosmologies.
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Murphy, Michael T. Physics Faculty of Science UNSW. "Probing variations in the fundamental constants with quasar absorption lines." Awarded by:University of New South Wales. School of Physics, 2002. http://handle.unsw.edu.au/1959.4/19062.

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Precision cosmology challenges many aspects of fundamental physics. In particular, quasar absorption lines test the assumed constancy of fundamental constants over cosmological time-scales and distances. Until recently, the most reliable technique was the alkali doublet (AD) method where the measured doublet separation probes variations in the fine-structure constant, ???? e2/??c. However, the recently introduced many-multiplet (MM) method provides several advantages, including a demonstrated ???10-fold precision gain. This thesis presents detailed MM analyses of 3 independent Keck/HIRES sampl
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Davis, Tamara Maree Physics Faculty of Science UNSW. "Fundamental aspects of the expansion of the universe and cosmic horizons." Awarded by:University of New South Wales. Physics, 2004. http://handle.unsw.edu.au/1959.4/20640.

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We use standard general relativity to clarify common misconceptions about fundamental aspects of the expansion of the Universe. In the context of the new standard Lambda-CDM cosmology we resolve conflicts in the literature regarding cosmic horizons and the Hubble sphere (distance at which recession velocity equals c) and we link these concepts to observational tests. We derive the dynamics of a non-comoving galaxy and generalize previous analyses to arbitrary FRW universes. We also derive the counter-intuitive result that objects at constant proper distance have a non-zero redshift. Receding g
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Alanko, S. (Seppo). "High resolution infrared spectroscopy on the fundamental bands of 13CH3I." Doctoral thesis, University of Oulu, 1999. http://urn.fi/urn:isbn:9514251857.

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Abstract This thesis deals with the rotation-vibration theory and high resolution infrared spectroscopy of semirigid C3 molecules. Semirigid molecules form a class of molecules which are strongly bound with one well defined structure, and without low frequency internal motions. The theory, as well as the experimental studies of semirigid molecules are of special importance in the field of rotation-vibration spectroscopy. They provide a good starting point for interpreting and analyzing the spectra of practically all types of molecules. In this work, the theory is reviewed fromthe standpoint o
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Svanedal, Ida. "Fundamental Characterization and Technical Aspects of a Chelating Surfactant." Doctoral thesis, Mittuniversitetet, Avdelningen för kemiteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-21405.

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The purpose of this study was to investigate the fundamental characteristics of a chelating surfactant in terms of solution behaviour, chelation of divalent metal ions, and interaction in mixtures with different foaming agents and divalent metal ion, as well as examining its prospects in some practical applications. Chelating surfactants are functional molecules, with both surface active and chelating properties, which are water soluble and therefore suitable for chelation in many aqueous environments. The dual functionality offers the possibility to recover the chelating surfactant as well as
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Prause, Nils [Verfasser], and Dieter [Akademischer Betreuer] Reimers. "The influence of asymmetric line profiles on the reliability of the search for varying fundamental constants / Nils Prause. Betreuer: Dieter Reimers." Hamburg : Staats- und Universitätsbibliothek Hamburg, 2014. http://d-nb.info/1059237946/34.

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Windberger, Robert-Alexander [Verfasser], and López-Urrutia José Ramón [Akademischer Betreuer] Crespo. "Identification of optical transitions in complex highly charged ions for applications in metrology and tests of fundamental constants / Robert-Alexander Windberger ; Betreuer: José Ramón Crespo López-Urrutia." Heidelberg : Universitätsbibliothek Heidelberg, 2015. http://d-nb.info/1180396839/34.

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Windberger, Alexander [Verfasser], and López-Urrutia José Ramón [Akademischer Betreuer] Crespo. "Identification of optical transitions in complex highly charged ions for applications in metrology and tests of fundamental constants / Robert-Alexander Windberger ; Betreuer: José Ramón Crespo López-Urrutia." Heidelberg : Universitätsbibliothek Heidelberg, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:16-heidok-188685.

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Libri sul tema "Fundamental constants"

1

Karshenboim, Savely G., and Ekkehard Peik, eds. Astrophysics, Clocks and Fundamental Constants. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/b13178.

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2

Menin, Boris M. Fundamental constants: Evaluating measurement uncertainty. Cambridge Scholars Publishing, 2019.

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3

1960-, Karshenboim S. G., and Peik E, eds. Astrophysics, clocks and fundamental constants. Springer, 2004.

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4

Cohen, E. Richard. Symbols, units, nomenclature and fundamental constants in physics. International Union of Pure and Applied Physics, 1987.

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5

NATO Advanced Study Institute on Gravitational Measurements, Fundamental Metrology, and Constants (1987 Erice, Italy). Gravitational measurements, fundamental metrology, and constants. Kluwer Academic Publishers, 1988.

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6

Sabbata, Venzo, and V. N. Melnikov, eds. Gravitational Measurements, Fundamental Metrology and Constants. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2955-5.

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Sabbata, Venzo. Gravitational Measurements, Fundamental Metrology and Constants. Springer Netherlands, 1988.

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8

H, Ahlers, Bortfeldt J, and Kramer B. 1942-, eds. Units and fundamental constants in physics and chemistry. Springer-Verlag, 1991.

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9

Cohen, E. Richard. The 1986 adjustment of the fundamental physical constants. Pergamon Press, 1986.

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10

Martins, Carlos J. A. P., ed. The Cosmology of Extra Dimensions and Varying Fundamental Constants. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-3272-7.

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Capitoli di libri sul tema "Fundamental constants"

1

Cardarelli, François. "Fundamental Constants." In Scientific Unit Conversion. Springer London, 1997. http://dx.doi.org/10.1007/978-1-4471-3394-0_5.

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Cardarelli, François. "Fundamental Constants." In Encyclopaedia of Scientific Units, Weights and Measures. Springer London, 2003. http://dx.doi.org/10.1007/978-1-4471-0003-4_5.

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Cardarelli, François. "Fundamental Constants." In Scientific Unit Conversion. Springer London, 1999. http://dx.doi.org/10.1007/978-1-4471-0805-4_5.

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4

Cohen, E. Richard. "Fundamental Physical Constants." In Gravitational Measurements, Fundamental Metrology and Constants. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2955-5_5.

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Martienssen, Werner. "The Fundamental Constants." In Springer Handbook of Materials Data. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-69743-7_1.

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Grabe, Michael. "Fundamental Constants of Physics." In Measurement Uncertainties in Science and Technology. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-04888-8_22.

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Kapuścik, Edward. "Physics Without Physical Constants." In Frontiers of Fundamental Physics. Springer US, 1994. http://dx.doi.org/10.1007/978-1-4615-2560-8_46.

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Faustov, R. N. "Quantum Electrodynamics and Fundamental Constants." In Gravitational Measurements, Fundamental Metrology and Constants. Springer Netherlands, 1988. http://dx.doi.org/10.1007/978-94-009-2955-5_9.

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Kiefer, Claus. "Quantum Gravity and Fundamental Constants." In Astrophysics, Clocks and Fundamental Constants. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-40991-5_8.

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Chluba, Jens, and Luke Hart. "Varying Fundamental Constants Meet Hubble." In Springer Series in Astrophysics and Cosmology. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-99-0177-7_33.

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Atti di convegni sul tema "Fundamental constants"

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Di Mario, D., B. G. Sidharth, F. Honsell, O. Mansutti, K. Sreenivasan, and A. De Angelis. "Connecting Fundamental Constants." In FRONTIERS OF FUNDAMENTAL AND COMPUTATIONAL PHYSICS: 9th International Symposium. AIP, 2008. http://dx.doi.org/10.1063/1.2947669.

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Flambaum, V. V. "Variation of Fundamental Constants." In ATOMIC PHYSICS 20: XX International Conference on Atomic Physics - ICAP 2006. AIP, 2006. http://dx.doi.org/10.1063/1.2400630.

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Wood, B. M. "Fundamental constants - the ultimate metric." In 2012 Conference on Precision Electromagnetic Measurements (CPEM 2012). IEEE, 2012. http://dx.doi.org/10.1109/cpem.2012.6250629.

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Varshalovich, D. A., A. Y. Potekhin, and A. V. Ivanchik. "Testing cosmological variability of fundamental constants." In X-RAY AND INNER-SHELL PROCESSES: 18th International Conference. AIP, 2000. http://dx.doi.org/10.1063/1.1302777.

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Feldmeier, Hans, Elena Litvinova, Victor Flambaum, and Jacek Dobaczewski. "Variation of fundamental constants and 229Th." In Proceedings of the MG14 Meeting on General Relativity. WORLD SCIENTIFIC, 2017. http://dx.doi.org/10.1142/9789813226609_0478.

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Grabe, Michael. "Fundamental Constants - True Values and Expectations." In 2004 Conference on Precision Electromagnetic Measurements. IEEE, 2004. http://dx.doi.org/10.1109/cpem.2004.305465.

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Krauth, Julian J., Laura S. Dreissen, Charlaine Roth, et al. "Paving the way for fundamental physics tests with singly-ionized helium." In International Conference on Precision Physics and Fundamental Physical Constants. Sissa Medialab, 2019. http://dx.doi.org/10.22323/1.353.0049.

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Adkins, Gregory, Benjamin Akers, Md Faisal Alam, Lam M. Tran, and Xuan Zhang. "Calculation of higher order corrections to positronium energy levels." In International Conference on Precision Physics and Fundamental Physical Constants. Sissa Medialab, 2019. http://dx.doi.org/10.22323/1.353.0004.

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Pásztor, Gabriella. "Precision tests of the Standard Model at the LHC with the ATLAS and CMS detectors." In International Conference on Precision Physics and Fundamental Physical Constants. Sissa Medialab, 2019. http://dx.doi.org/10.22323/1.353.0005.

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Sopczak, Andre. "Precision measurements in Higgs sector at ATLAS and CMS." In International Conference on Precision Physics and Fundamental Physical Constants. Sissa Medialab, 2020. http://dx.doi.org/10.22323/1.353.0006.

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Rapporti di organizzazioni sul tema "Fundamental constants"

1

Cohen, E. Richard, and Barry N. Taylor. Fundamental physical constants. National Bureau of Standards, 1987. http://dx.doi.org/10.6028/nbs.sp.731.

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2

Mohr, P. J., P. J. Mohr, and B. N. Taylor. CODATA recommended values of the fundamental physical constants :. National Institute of Standards and Technology, 2005. http://dx.doi.org/10.6028/nist.sp.961e2005.

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Mohr, P. J., D. B. Newell, and B. N. Taylor. CODATA recommended values of the fundamental physical constants: 2014. National Institute of Standards and Technology, 2015. http://dx.doi.org/10.6028/nist.sp.961r2015.

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Mohr, P. J., P. J. Mohr, and B. N. Taylor. CODATA recommended values of the fundamental constants of physics and chemistry. National Institute of Standards and Technology, 2005. http://dx.doi.org/10.6028/nist.sp.959e2005.

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Mohr, P. J., P. J. Mohr, B. N. Taylor, and D. B. Newell. CODATA recommended values of the fundamental constants of physics and chemistry. National Institute of Standards and Technology, 2008. http://dx.doi.org/10.6028/nist.sp.959e2008.

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Mohr, Peter J. 2014 CODATA RECOMMENDED VALUES OF THE FUNDAMENTAL CONSTANTS OF PHYSICS AND CHEMISTRY. National Institute of Standards and Technology, 2017. http://dx.doi.org/10.6028/nist.sp.959e2017.

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Mohr, P. J., P. J. Mohr, and B. N. Taylor. 1998 CODATA recommended values of the fundamental constants of physics and chemistry. National Institute of Standards and Technology, 2001. http://dx.doi.org/10.6028/nist.sp.961e2001.

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Soloviev, V. N., and Y. V. Romanenko. Economic analog of Heisenberg uncertainly principle and financial crisis. ESC "IASA" NTUU "Igor Sikorsky Kyiv Polytechnic Institute", 2017. http://dx.doi.org/10.31812/0564/2463.

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Abstract (sommario):
The Heisenberg uncertainty principle is one of the cornerstones of quantum mechanics. The modern version of the uncertainty principle, deals not with the precision of a measurement and the disturbance it introduces, but with the intrinsic uncertainty any quantum state must possess, regardless of what measurement is performed. Recently, the study of uncertainty relations in general has been a topic of growing interest, specifically in the setting of quantum information and quantum cryptography, where it is fundamental to the security of certain protocols. The aim of this study is to analyze the
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Biedenharn, L. C., and J. C. Solem. The fundamental and universal nature of Boltzmann`s constant. Office of Scientific and Technical Information (OSTI), 1996. http://dx.doi.org/10.2172/266721.

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Maydykovskiy, Igor, and Petras Užpelkis. The Physical Essence of Time. Intellectual Archive, 2020. http://dx.doi.org/10.32370/iaj.2450.

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The article considers the model of the space-frequency-time continuum, according to which the physical essence of Time is manifested as a fraction of electromagnetic energy spent on updating a material object in a cyclic process of copying-incarnation. For all structural levels of physical reality, the value of this fraction is a fundamental constant, which can be represented as the tangent of the loss angle, or expressed in radians, as the angle of inclination of the evolutionary spiral, which characterizes the rate of change of states or the duration of events and processes. The value of thi
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