期刊
PHYSICAL REVIEW RESEARCH
卷 4, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevResearch.4.013018
关键词
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资金
- UKRI [EP/R031924/1]
- NSF DMR Grant [1508538]
- US-Israel BSF Grant [2014265]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1508538] Funding Source: National Science Foundation
- EPSRC [EP/R031924/1] Funding Source: UKRI
We present a quantum circuit with measurements and postselection that exhibits a variety of space- and/or time-ordered phases from ferromagnetic order to spin-density waves to time crystals. The incommensurate time-crystal phase of our circuit can be tuned by adjusting the circuit parameters.
We present a quantum circuit with measurements and postselection that exhibits a panoply of space- and/or time-ordered phases from ferromagnetic order to spin-density waves to time crystals. Unlike the time crystals that have been found in unitary models, those that occur here are incommensurate with the drive frequency. The period of the incommensurate time-crystal phase may be tuned by adjusting the circuit parameters. We demonstrate that the phases of our quantum circuit, including the inherently nonequilibrium dynamical ones, correspond to complex-temperature equilibrium phases of the exactly solvable square-lattice anisotropic Ising model.
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