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Work and quantum phase transitions: quantum latency.

Abstract:

We study the physics of quantum phase transitions from the perspective of nonequilibrium thermodynamics. For first-order quantum phase transitions, we find that the average work done per quench in crossing the critical point is discontinuous. This leads us to introduce the quantum latent work in analogy with the classical latent heat of first order classical phase transitions. For second order quantum phase transitions the irreversible work is closely related to the fidelity susceptibility fo...

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Publisher copy:
10.1103/physreve.89.062103

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atomic and Laser Physics
Role:
Author
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Journal:
Physical review. E, Statistical, nonlinear, and soft matter physics
Volume:
89
Issue:
6
Pages:
062103
Publication date:
2014-06-05
DOI:
EISSN:
1550-2376
ISSN:
1539-3755
URN:
uuid:ee93f345-7c88-4a2a-8ff8-e89845844d81
Source identifiers:
475959
Local pid:
pubs:475959
Language:
English

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