Squeezing and temperature measurement in Bose-Einstein Condensates
J. Rogel-Salazar, S. Choi, G.H.C. New, K. Burnett
TL;DR
This paper explores temperature-dependent quantum squeezing in Bose-Einstein condensates and proposes a new method for measuring temperature below the critical point.
Contribution
It introduces a novel approach to detect temperature via squeezing in collective excitations of BECs, based on recent quasiparticle damping theory.
Findings
Temperature-dependent squeezing observed in BEC excitations
Proposed a new temperature measurement scheme below critical temperature
Theoretical analysis supports potential experimental implementation
Abstract
In this paper we discuss the presence of temperature-dependent squeezing in the collective excitations of trapped Bose-Einstein condensates, based on a recent theory of quasiparticle damping. A new scheme to measure temperature below the critical temperature is also considered.
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Taxonomy
TopicsCold Atom Physics and Bose-Einstein Condensates · Advanced Thermodynamics and Statistical Mechanics · Quantum, superfluid, helium dynamics