Testing universality of Feynman-Tan relation in interacting Bose gases using high-order Bragg spectra

Y Wang, H Du, Y Li, F Mei, Y Hu, L Xiao… - Light: Science & …, 2023 - nature.com
Abstract The Feynman-Tan relation, obtained by combining the Feynman energy relation
with the Tan's two-body contact, can explain the excitation spectra of strongly interacting 39K …

Observation of a superradiant quantum phase transition in an intracavity degenerate Fermi gas

X Zhang, Y Chen, Z Wu, J Wang, J Fan, S Deng, H Wu - Science, 2021 - science.org
Coupling Bose-Einstein condensates to optical cavities has enabled the study of many-body
states with long-range interactions. However, equivalent experiments with ultracold Fermi …

Superadiabatic quantum friction suppression in finite-time thermodynamics

S Deng, A Chenu, P Diao, F Li, S Yu, I Coulamy… - Science …, 2018 - science.org
Optimal performance of thermal machines is reached by suppressing friction. Friction in
quantum thermodynamics results from fast driving schemes that generate nonadiabatic …

[图书][B] Ultracold atomic physics

H Zhai - 2021 - books.google.com
The field of ultracold atomic physics has developed rapidly during the last two decades, and
currently encompasses a broad range of topics in physics, with a variety of important …

Probing quantum speed limits with ultracold gases

A Del Campo - Physical Review Letters, 2021 - APS
Quantum speed limits (QSLs) rule the minimum time for a quantum state to evolve into a
distinguishable state in an arbitrary physical process. These fundamental results constrain a …

Emergent spatial structure and entanglement localization in Floquet conformal field theory

R Fan, Y Gu, A Vishwanath, X Wen - Physical Review X, 2020 - APS
We study the energy and entanglement dynamics of (1+ 1) D conformal field theories (CFTs)
under a Floquet drive with the sine-square deformed (SSD) Hamiltonian. Previous work has …

Echoes for Breathers in Quantum Gases

C Lv, R Zhang, Q Zhou - Physical Review Letters, 2020 - APS
Though the celebrated spin echoes have been widely used to reverse quantum dynamics,
they are not applicable to systems whose constituents are beyond the control of the su (2) …

Discovery of log-periodic oscillations in ultraquantum topological materials

H Wang, H Liu, Y Li, Y Liu, J Wang, J Liu, JY Dai… - Science …, 2018 - science.org
Quantum oscillations are usually the manifestation of the underlying physical nature in
condensed matter systems. Here, we report a new type of log-periodic quantum oscillations …

Boosting the performance of quantum Otto heat engines

JF Chen, CP Sun, H Dong - Physical Review E, 2019 - APS
To optimize the performance of a heat engine in a finite-time cycle, it is important to
understand the finite-time effect of thermodynamic processes. Previously, we have shown …

[图书][B] Quantum atom optics: Theory and applications to quantum technology

T Byrnes, EO Ilo-Okeke - 2021 - books.google.com
The rapid development of quantum technologies has driven a revolution in related research
areas such as quantum computation and communication, and quantum materials. The first …