An anomaly in quantum phases induced by borders

Jing, Jun; Guidry, Mike; Wu, Lianao

dc.contributor.author	Jing, Jun
dc.contributor.author	Guidry, Mike
dc.contributor.author	Wu, Lianao
dc.date.accessioned	2020-06-05T10:30:10Z
dc.date.available	2020-06-05T10:30:10Z
dc.date.issued	2020-04-24
dc.identifier.citation	Scientific Reports 10 : (2020) // Article ID 6934	es_ES
dc.identifier.issn	2045-2322
dc.identifier.uri	http://hdl.handle.net/10810/43839
dc.description.abstract	The stationary behavior of a quantum system is determined by its Hamiltonian and its boundary conditions. All quantum phase transitions (QPT) reported previously were induced by changing the Hamiltonian. In a circular spin model with Heisenberg XY interactions and no magnetic field, we observe an anomaly in quantum phases caused by a qualitative change of the boundary condition. The unexpected anomaly features an infinite number of single-particle levels, in the same pattern as the single-photon-triggered quantum phase transition in the Rabi model.	es_ES
dc.description.sponsorship	We thank Dr. Z.-M. Wang for his early participation. We acknowledge grant support from the Basque Government (grant IT472-10), the Spanish MICINN (No. FIS2012-36673-C03-03), LightCone Interactive LLC, the National Science Foundation of China (Grants Nos. 11974311 and U1801661), the Fundamental Research Funds for the Central Universities (No. 2018QNA3004), and Zhejiang Provincial Natural Science Foundation of China under Grant No. LD18A040001.	es_ES
dc.language.iso	eng	es_ES
dc.publisher	Nature	es_ES
dc.rights	info:eu-repo/semantics/openAccess	es_ES
dc.rights.uri	http://creativecommons.org/licenses/by/3.0/es/	*
dc.subject	transition	es_ES
dc.subject	colloquium	es_ES
dc.subject	superfluid	es_ES
dc.subject	insulator	es_ES
dc.subject	atoms	es_ES
dc.title	An anomaly in quantum phases induced by borders	es_ES
dc.type	info:eu-repo/semantics/article	es_ES
dc.rights.holder	Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Cre-ative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not per-mitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.	es_ES
dc.rights.holder	Atribución 3.0 España	*
dc.relation.publisherversion	https://www.nature.com/articles/s41598-020-63555-x	es_ES
dc.identifier.doi	10.1038/s41598-020-63555-x
dc.departamentoes	Física teórica e historia de la ciencia	es_ES
dc.departamentoeu	Fisika teorikoa eta zientziaren historia	es_ES

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Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Cre-ative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not per-mitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

Except where otherwise noted, this item's license is described as Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Cre-ative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not per-mitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.