Relevant bibliographies by topics / Phase slips, dissipation, Bose Einstein Condensate

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'Phase slips, dissipation, Bose Einstein Condensate'

Author: Grafiati
Published: 10 March 2023

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Journal articles on the topic "Phase slips, dissipation, Bose Einstein Condensate"

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Li, Yan-Na, and Wei-Dong Li. "Phase Dissipation of an Open Two-Mode Bose–Einstein Condensate." Chinese Physics Letters 34, no. 7 (2017): 070303. http://dx.doi.org/10.1088/0256-307x/34/7/070303.

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Öztürk, Fahri Emre, Tim Lappe, Göran Hellmann, et al. "Observation of a non-Hermitian phase transition in an optical quantum gas." Science 372, no. 6537 (2021): 88–91. http://dx.doi.org/10.1126/science.abe9869.

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Quantum gases of light, such as photon or polariton condensates in optical microcavities, are collective quantum systems enabling a tailoring of dissipation from, for example, cavity loss. This characteristic makes them a tool to study dissipative phases, an emerging subject in quantum many-body physics. We experimentally demonstrate a non-Hermitian phase transition of a photon Bose-Einstein condensate to a dissipative phase characterized by a biexponential decay of the condensate’s second-order coherence. The phase transition occurs because of the emergence of an exceptional point in the quan
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Kalashnikov, V. L., and S. Wabnitz. "Stabilization of spatiotemporal dissipative solitons in multimode fiber lasers by external phase modulation." Laser Physics Letters 19, no. 10 (2022): 105101. http://dx.doi.org/10.1088/1612-202x/ac8678.

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Abstract In this work, we introduce a method for the stabilization of spatiotemporal (ST) solitons. These solitons correspond to light bullets in multimode optical fiber lasers, energy-scalable waveguide oscillators and amplifiers, localized coherent patterns in Bose–Einstein condensates, etc. We show that a three-dimensional confinement potential, formed by a spatial transverse (radial) parabolic graded refractive index and dissipation profile, in combination with quadratic temporal phase modulation, may permit the generation of stable ST dissipative solitons. This corresponds to combining ph
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Dogra, Nishant, Manuele Landini, Katrin Kroeger, Lorenz Hruby, Tobias Donner, and Tilman Esslinger. "Dissipation-induced structural instability and chiral dynamics in a quantum gas." Science 366, no. 6472 (2019): 1496–99. http://dx.doi.org/10.1126/science.aaw4465.

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Dissipative and unitary processes define the evolution of a many-body system. Their interplay gives rise to dynamical phase transitions and can lead to instabilities. In this study, we observe a nonstationary state of chiral nature in a synthetic many-body system with independently controllable unitary and dissipative couplings. Our experiment is based on a spinor Bose gas interacting with an optical resonator. Orthogonal quadratures of the resonator field coherently couple the Bose-Einstein condensate to two different atomic spatial modes, whereas the dispersive effect of the resonator losses
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BHATTACHERJEE, ARANYA B. "JOSEPHSON DYNAMICS OF A BOSE–EINSTEIN CONDENSATE IN AN ACCELERATED DOUBLE-WELL POTENTIAL." International Journal of Modern Physics B 21, no. 07 (2007): 1067–75. http://dx.doi.org/10.1142/s0217979207036874.

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Motivated by a recent experiment on Bloch oscillation of Bose–Einstein condensates (BEC) in accelerated optical lattices, we consider the Josephson dynamics of a BEC in an accelerated double-well potential. We show that acceleration suppresses coherent population / phase oscillation between the two wells. Accelerating the double-well renders the Josephson coupling energy EJ time-dependent and this emerges as a source of dissipation. This dissipative mechanism helps to stabilize the system. The results are used to interpret a recent experimental result (M. Jona-Lasinio, O. Morsh, M. Cristiani E
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Klinder, Jens, Hans Keßler, Matthias Wolke, Ludwig Mathey, and Andreas Hemmerich. "Dynamical phase transition in the open Dicke model." Proceedings of the National Academy of Sciences 112, no. 11 (2015): 3290–95. http://dx.doi.org/10.1073/pnas.1417132112.

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The Dicke model with a weak dissipation channel is realized by coupling a Bose–Einstein condensate to an optical cavity with ultranarrow bandwidth. We explore the dynamical critical properties of the Hepp–Lieb–Dicke phase transition by performing quenches across the phase boundary. We observe hysteresis in the transition between a homogeneous phase and a self-organized collective phase with an enclosed loop area showing power-law scaling with respect to the quench time, which suggests an interpretation within a general framework introduced by Kibble and Zurek. The observed hysteretic dynamics
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Piazza, F., L. A. Collins, and A. Smerzi. "Vortex-induced phase-slip dissipation in a toroidal Bose-Einstein condensate flowing through a barrier." Physical Review A 80, no. 2 (2009). http://dx.doi.org/10.1103/physreva.80.021601.

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Wang, Lin, Ke-Wen Xiao, Wen-Yuan Wang та Fu-quan Dou. "Quantum tunneling dynamics with robust reciprocity of Bose-Einstein condensate in a quadruple-well potential with synthetic gauge fields". Physica Scripta, 11 листопада 2022. http://dx.doi.org/10.1088/1402-4896/aca22a.

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Abstract Bose-Einstein condensation trapped in quadruple-well potential provides a great useful platform in theoretical and experimental researches. Utilizing analytical and numerical methods, we investigate the properties of quantum dynamics and the reciprocity of quantum transport of Bose-Einstein condensation (BEC) in quadruple-well potential formed by the laser-assisted transition. The tunneling dynamics of BEC is under the control of coupling between wells, dissipation, and the phase caused by Raman coupling laser. By adjusting the coupling phase, the coherent destruction of tunneling can
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Lledó, Cristóbal, Iacopo Carusotto, and Marzena Szymanska. "Polariton condensation into vortex states in the synthetic magnetic field of a strained honeycomb lattice." SciPost Physics 12, no. 2 (2022). http://dx.doi.org/10.21468/scipostphys.12.2.068.

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Photonic materials are a rapidly growing platform for studying condensed matter physics with light, where the exquisite control capability is allowing us to learn about the relation between microscopic dynamics and macroscopic properties. One of the most interesting aspects of condensed matter is the interplay between interactions and the effect of an external magnetic field or rotation, responsible for a plethora of rich phenomena---Hall physics and quantized vortex arrays. At first sight, however, these effects for photons seem vetoed: they do not interact with each other and they are immune
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Dissertations / Theses on the topic "Phase slips, dissipation, Bose Einstein Condensate"

1

Abbate, Simona Scaffidi. "Exploring quantum phase slips in 1D bosonic systems." Doctoral thesis, 2018. http://hdl.handle.net/2158/1126972.

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The goal of my thesis is to experimentally investigate the phenomenon of phase slips in one dimensional (1D) Bose-Einstein condensates, by probing the supercurrent in the presence of an obstacle in different ranges of velocities, interactions and temperature. Phase slips are the primary elementary excitations of the order parameter due to thermal or quantum fluctuations in 1D superfluids and superconductors, in the presence of an obstacle for the superflow and supercurrent. They control the dissipation of nominally frictionless systems by inducing a finite resistance and a finite dissipation
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