Boundary Time Crystals

F. Iemini; A. Russomanno; J. Keeling; M. Schirò; M. Dalmonte; R. Fazio

doi:10.1103/PhysRevLett.121.035301

Boundary Time Crystals

F. Iemini, A. Russomanno, J. Keeling, M. Schirò, M. Dalmonte, R. Fazio

Research output: Contribution to journal › Article › peer-review

Abstract

In this work we introduce boundary time crystals. Here continuous time-translation symmetry breaking occurs only in a macroscopic fraction of a many-body quantum system. After introducing their definition and properties, we analyze in detail a solvable model where an accurate scaling analysis can be performed. The existence of the boundary time crystals is intimately connected to the emergence of a time-periodic steady state in the thermodynamic limit of a many-body open quantum system. We also discuss connections to quantum synchronization.

Original language	English
Article number	035301
Journal	Physical Review Letters
Volume	121
Issue number	3
DOIs	https://doi.org/10.1103/PhysRevLett.121.035301
Publication status	Published - 16 Jul 2018
Externally published	Yes

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10.1103/PhysRevLett.121.035301

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title = "Boundary Time Crystals",

abstract = "In this work we introduce boundary time crystals. Here continuous time-translation symmetry breaking occurs only in a macroscopic fraction of a many-body quantum system. After introducing their definition and properties, we analyze in detail a solvable model where an accurate scaling analysis can be performed. The existence of the boundary time crystals is intimately connected to the emergence of a time-periodic steady state in the thermodynamic limit of a many-body open quantum system. We also discuss connections to quantum synchronization.",

author = "F. Iemini and A. Russomanno and J. Keeling and M. Schir{\`o} and M. Dalmonte and R. Fazio",

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AU - Iemini, F.

AU - Russomanno, A.

AU - Keeling, J.

AU - Schirò, M.

AU - Dalmonte, M.

AU - Fazio, R.

PY - 2018/7/16

Y1 - 2018/7/16

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AB - In this work we introduce boundary time crystals. Here continuous time-translation symmetry breaking occurs only in a macroscopic fraction of a many-body quantum system. After introducing their definition and properties, we analyze in detail a solvable model where an accurate scaling analysis can be performed. The existence of the boundary time crystals is intimately connected to the emergence of a time-periodic steady state in the thermodynamic limit of a many-body open quantum system. We also discuss connections to quantum synchronization.

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DO - 10.1103/PhysRevLett.121.035301

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SN - 0031-9007

VL - 121

JO - Physical Review Letters

JF - Physical Review Letters

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Boundary Time Crystals

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