Integrability versus quantum thermalization
2013 (English)In: Journal of Physics B: Atomic, Molecular and Optical Physics, ISSN 0953-4075, E-ISSN 1361-6455, Vol. 46, no 22, 224016- p.Article in journal (Refereed) Published
Non-integrability is often taken as a prerequisite for quantum thermalization. Still, a generally accepted definition of quantum integrability is lacking. With the basis in the driven Rabi model we discuss this careless usage of the term 'integrability' in connection to quantum thermalization. The model would be classified as non-integrable according to the most commonly used definitions, for example, the only preserved quantity is the total energy. Despite this fact, a thorough analysis conjectures that the system will not thermalize. Thus, our findings suggest first of all (i) that care should be paid when linking non-integrability with thermalization, and secondly (ii) that the standardly used definitions for quantum integrability are unsatisfactory.
Place, publisher, year, edition, pages
2013. Vol. 46, no 22, 224016- p.
IdentifiersURN: urn:nbn:se:su:diva-97648DOI: 10.1088/0953-4075/46/22/224016ISI: 000326925600018OAI: oai:DiVA.org:su-97648DiVA: diva2:680587