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Reflection positivity and infrared bounds for quantum spin systems - MaRDI portal

Reflection positivity and infrared bounds for quantum spin systems (Q2164177)

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Reflection positivity and infrared bounds for quantum spin systems
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    Reflection positivity and infrared bounds for quantum spin systems (English)
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    12 August 2022
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    Summary: The method of reflection positivity and infrared bounds allows us to prove the occurrence of phase transitions in systems with continuous symmetries. We review the method in the context of quantum spin systems. The novel aspect is a proof for long-range interactions that involve the Euclidean distance between sites. For the entire collection see [Zbl 1491.46002].
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