Literatura académica sobre el tema "Squeezed phonons"
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Artículos de revistas sobre el tema "Squeezed phonons"
PANG, XIAO-FENG. "CHANGES IN THE PHYSICAL PROPERTIES OF NONADIABATICALLY COUPLED ELECTRON–PHONON SYSTEMS ARISING FROM SQUEEZING–ANTISQUEEZING EFFECT". International Journal of Modern Physics B 17, n.º 31n32 (30 de diciembre de 2003): 6031–56. http://dx.doi.org/10.1142/s0217979203023471.
Texto completoČevizović, D., A. V. Chizhov y S. Galović. "Vibron transport in macromolecular chains with squeezed phonons". Nanosystems: Physics, Chemistry, Mathematics 9, n.º 5 (31 de octubre de 2018): 597–602. http://dx.doi.org/10.17586/2220-8054-2018-9-5-597-602.
Texto completoMüstecaplıoǧlu, Ö. E. y A. S. Shumovsky. "Detecting squeezed phonons through an indirect radiative transition". Applied Physics Letters 70, n.º 26 (30 de junio de 1997): 3489–91. http://dx.doi.org/10.1063/1.119209.
Texto completoIvanov, V. A., M. Ye Zhuravlev, Y. Murayama y S. Nakajima. "Integrable chain of electrons coupled with squeezed phonons". Journal of Experimental and Theoretical Physics Letters 64, n.º 3 (agosto de 1996): 148–54. http://dx.doi.org/10.1134/1.567166.
Texto completoMisochko, O. V. "Nonclassical states of lattice excitations: squeezed and entangled phonons". Physics-Uspekhi 56, n.º 9 (30 de septiembre de 2013): 868–82. http://dx.doi.org/10.3367/ufne.0183.201309b.0917.
Texto completoZhang, X. Y., Y. H. Zhou, Y. Q. Guo y X. X. Yi. "Anti-correlated phonons with two-mode Gaussian squeezed state". Physica Scripta 95, n.º 2 (3 de enero de 2020): 025102. http://dx.doi.org/10.1088/1402-4896/ab42aa.
Texto completoMisochko, Oleg V. "Nonclassical states of lattice excitations: squeezed and entangled phonons". Uspekhi Fizicheskih Nauk 183, n.º 9 (2013): 917–33. http://dx.doi.org/10.3367/ufnr.0183.201309b.0917.
Texto completoNugraha, A. R. T. y E. H. Hasdeo. "Coherent and squeezed phonons in single wall carbon nanotubes". Journal of Physics: Conference Series 1191 (marzo de 2019): 012002. http://dx.doi.org/10.1088/1742-6596/1191/1/012002.
Texto completoPeřina, J., M. Kárská y J. Křepelka. "Stimulated Raman Scattering of Nonclassical Light by Squeezed Phonons". Acta Physica Polonica A 79, n.º 6 (junio de 1991): 817–28. http://dx.doi.org/10.12693/aphyspola.79.817.
Texto completoTrigo, Mariano y David Reis. "Time-Resolved X-Ray Scattering from Coherent Excitations in Solids". MRS Bulletin 35, n.º 7 (julio de 2010): 514–19. http://dx.doi.org/10.1557/mrs2010.600.
Texto completoTesis sobre el tema "Squeezed phonons"
Papenkort, Thomas [Verfasser] y Tilmann [Akademischer Betreuer] Kuhn. "Coherent and squeezed phonons in semiconductor quantum wells / Thomas Papenkort. Betreuer: Tilmann Kuhn". Münster : Universitäts- und Landesbibliothek der Westfälischen Wilhelms-Universität, 2013. http://d-nb.info/1031390022/34.
Texto completoTitimbo, Chaparro Kelvin Ruben. "CREATION AND DETECTION OF SQUEEZED PHONONS IN PUMP AND PROBE EXPERIMENTS: A FULLY QUANTUM TREATMENT". Doctoral thesis, Università degli studi di Trieste, 2015. http://hdl.handle.net/10077/10941.
Texto completoFemtosecond pump and probe techniques are standard experimental methodologies used for studying ultrafast dynamics in solids, in particular phonon oscillations in target materials. So far, only semiclassical methods have been employed in order to theoretically interpret the experimental data. In contrast, a fully quantum treatment will be presented here taking into account the quantum features of the generation mechanism of excited phonons by pump laser pulses, and of the process of accessing their behaviour by probe laser pulses. A single effective Hamiltonian will be used to model the interaction between photons and phonons both for the pumping and probing processes. In addition, as they interact with their environment, mainly electrons in the target, the excited phonons cannot be considered an isolated system. Their dynamics is then that typical of open quantum systems and generated by a master equation of Lindblad form, that takes into account the dissipative and noisy effects due to the environment.In this formalism, phonon oscillations can be analysed through suitable probe photon observables. Specifically, unlike in the existing literature, we will not focus only upon the scattered probe pulse intensity, namely on the probe photon number, but also on the number variance. Through the latter some quantum features of the phonon state can be accessed; in particular, specific signals of the presence of squeezed phonons can thus be identified.
Le tecniche di "pump and probe" impulsato sono metodologie sperimentali standard usate nello studio delle dinamiche ultraveloci nei solidi, in particolare delle oscillazioni di fononi. Usualmente l'interpretazione teorica dei dati sperimentali si basa su approssimazioni semiclassiche. Una descrizione completamente quantistica e` invece sviluppata nella presente trattazione: e` basata sull'introduzione di un'unica hamiltoniana di interazione tra fotoni e fononi, capace di descrivere in modo effettivo sia il processo di eccitazione che di rivelazione dei fononi. In generale, tali fononi non possono essere considerati come isolati, ma costituiscono un sistema quantistico aperto, cioe` in interazione debole con l'ambiente esterno, formato principalmente da elettroni e dagli altri costituenti del materiale in studio. La loro dinamica deve percio` venir descritta tramite una equazione master, che tenga conto di effetti di rumore e dissipazione. In questo formalismo, le proprieta` dei fononi eccitati dagli impulsi laser di "pump" possono essere analizzate attraverso lo studio di opportune osservabili caratterizzanti i fotoni di "probe". Piu` specificatamente, si e` analizzato il comportamento non solo dell'intensita` media della luce di "probe" riflessa, cioe` del numero medio di fotoni, ma anche della relativa varianza. In questo modo, si possono evidenziare alcune caratteristiche quantistiche dei fononi: in particolare, sono stati individuati segnali specifici della presenza di fononi "squeezed"
XXVII Ciclo
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Lakehal, Massil. "Out of Equilibrium Lattice Dynamics in Pump Probe Setups". Thesis, Université de Paris (2019-....), 2020. http://www.theses.fr/2020UNIP7039.
Texto completoThe study of the out of equilibrium dynamics of strongly correlated systems, using ultrafast pulses, uncovered a plethora of phenomena with no analog in equilibrium physics. In this thesis, we theoretically investigate the out of equilibrium dynamics of the lattice degrees of freedom and their signature in pump-probe spectroscopy. We develop a Hamiltonian-based microscopic description of laser pump induced displacive coherent phonons. The theory captures the feedback of the phonon excitation upon the electronic fluid, which is missing in the state-of-the-art phenomenological formulation. We show that this feedback leads to chirping at short timescales, even if the phonon motion is harmonic. At long times, this feedback appears as a finite phase in the oscillatory signal. We apply the theory to BaFe2As2, explain the origin of the phase in the oscillatory signal reported in recent experiments, and we predict that the system will exhibit redshifted chirping at larger fluence. Our theory also opens the possibility to extract equilibrium information from coherent phonon dynamics. Another interesting phenomenon that have been reported in pump-probe spectroscopy is the oscillation of the lattice fluctuations at double phonon frequency. These oscillations are invariably interpreted as a signature of macroscopic squeezed phonon states. In this work, we identify other mechanisms of double phonon frequency oscillations that do not involve squeezing. We show that a pump induced temperature quench of the bath, to which the phonon is coupled to, or exciting a coherent phonon for which cubic anharmonicity is allowed by symmetry can also produce such oscillations in noise spectroscopy without squeezing the phonon state. We conclude that, in contrast with what is commonly believed, double phonon frequency oscillations in noise spectroscopy are not necessarily a signature of macroscopic phonon squeezing. We point out what can be a reliable criterion to identify a squeezed phonon using pump-probe spectroscopy
Mondloch, Erin. "Quantum theory of conditional phonon states in a dual-pumped Raman optical frequency comb". Thesis, University of Oregon, 2017. http://hdl.handle.net/1794/22793.
Texto completoLibros sobre el tema "Squeezed phonons"
Johansen, Bruce y Adebowale Akande, eds. Nationalism: Past as Prologue. Nova Science Publishers, Inc., 2021. http://dx.doi.org/10.52305/aief3847.
Texto completoCapítulos de libros sobre el tema "Squeezed phonons"
Garrett, G. A., J. F. Whitaker y R. Merlin. "Generation of Coherent and Squeezed Phonon Fields Using Femtosecond Laser Pulses". En Springer Series in Chemical Physics, 362–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-72289-9_109.
Texto completoBragas, A. V. y R. Merlin. "QUANTUM OPTICS | Squeezed Phonons in Solids". En Encyclopedia of Modern Optics, 280–87. Elsevier, 2005. http://dx.doi.org/10.1016/b0-12-369395-0/00889-7.
Texto completoActas de conferencias sobre el tema "Squeezed phonons"
Yurke, B. "Novel squeezed-state detection method". En OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.tua8.
Texto completoMilburn, G. J., M. D. Reid, D. F. Walls, R. Shelby y M. D. Levenson. "Theory of squeezed light generation in optical fibers". En OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1986. http://dx.doi.org/10.1364/oam.1986.tuj8.
Texto completoMolinares, Hugo, Vitalie Eremeev y Miguel Orszag. "Phonon trapping states and blockade effect in a hybrid micromaser system". En Latin America Optics and Photonics Conference. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/laop.2022.th1a.3.
Texto completoXi, Xiang, Jingwen Ma y Xiankai Sun. "Experimental realization of topological parametric phonon lasers". En CLEO: Applications and Technology. Washington, D.C.: Optica Publishing Group, 2022. http://dx.doi.org/10.1364/cleo_at.2022.jf3b.3.
Texto completoWigger, Daniel, Doris E. Reiter, Vollrath Martin Axt y Tilmann Kuhn. "Conditions for generating squeezed phonon states in an optically excited quantum dot". En International Conference on Ultrafast Structural Dynamics. Washington, D.C.: OSA, 2012. http://dx.doi.org/10.1364/icusd.2012.iw4d.5.
Texto completoPapenkort, Thomas, Vollrath Martin Axt y Tilmann Kuhn. "Coherent and Squeezed Phonon States Generated in a Quantum Well by Ultrafast Optical Excitation". En High Intensity Lasers and High Field Phenomena. Washington, D.C.: OSA, 2012. http://dx.doi.org/10.1364/hilas.2012.jt2a.34.
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