Thermal Critical Dynamics from Equilibrium Quantum Fluctuations

Thermal Critical Dynamics from Equilibrium Quantum Fluctuations

We show that quantum fluctuations display a singularity at thermal critical points, involving the dynamical z exponent. Quantum fluctuations, captured by the quantum variance [Frérot et al., Phys. Rev. B 94, 075121 (2016)PRBMDO2469-995010.1103/PhysRevB.94.075121], can be expressed via purely static...

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Bibliographic Details
Main Authors: Frérot, I. (Author), Rançon, A. (Author), Roscilde, T. (Author)
Format: Article
Language:English
Published: American Physical Society 2022
Subjects:
article
calculation
Classical modeling
Classical systems
Critical dynamics
Dynamics
Hamiltonian dynamics
Hamiltonians
Numerical calculation
Quantum fluctuation
Quantum optics
Quantum system
Static properties
Statics and dynamics
Thermal
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