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Volumn 80, Issue 2, 2009, Pages

Superfluid-Mott-insulator transition of light in the Jaynes-Cummings lattice

Author keywords

[No Author keywords available]

Indexed keywords

ANALYTICAL EXPRESSIONS; BOSE HUBBARD MODEL; CRITICAL BEHAVIOR; ELECTROMAGNETIC RESONATORS; JAYNES-CUMMINGS; MEAN-FIELD THEORIES; MOTT-INSULATING PHASE; MULTICRITICAL POINT; POLARITONS; QUANTUM PHASE TRANSITIONS; REGULAR ARRAY; SIMILARITIES AND DIFFERENCES; SUPERFLUID PHASE; SUPERFLUID-MOTT-INSULATOR TRANSITION; TWO-LEVEL SYSTEM;

EID: 68949147902     PISSN: 10502947     EISSN: 10941622     Source Type: Journal    
DOI: 10.1103/PhysRevA.80.023811     Document Type: Article
Times cited : (187)

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    • We note that for numerical purposes, it is convenient to carry out the minimization with respect to ψ̄ =κψ in order to avoid numerical problems in the limit of κ→0.
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    • Angelakis choose to call the model given by Eq. 49 an XY model. Here we rather follow the nomenclature used, e.g., by Sachdev.
    • Angelakis choose to call the model given by Eq. 49 an XY model. Here we rather follow the nomenclature used, e.g., by Sachdev.
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    • We note that, as in the Bose-Hubbard case, the gauge transformation Eq. 63 actually leads out of the physical space since ω-μ acquires an imaginary part.
    • We note that, as in the Bose-Hubbard case, the gauge transformation Eq. 63 actually leads out of the physical space since ω-μ acquires an imaginary part.
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    • While the phase boundary 20 is obtained within the mean-field approximation and may acquire corrections when including the effects of fluctuations (see, e.g., Ref.), we emphasize that Eqs. 64 65 are exact.
    • While the phase boundary 20 is obtained within the mean-field approximation and may acquire corrections when including the effects of fluctuations (see, e.g., Ref.), we emphasize that Eqs. 64 65 are exact.


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