## Abstract

With the Variational-Cumulant Expansion method, the phase diagram and the external current J as a function of the expectation value of f of lattice f^{4} theory at finite temperature are given analytically. It is shown that the broken phase at zero temperature might be restored at high temperature.

Original language | English (US) |
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Pages (from-to) | 131-135 |

Number of pages | 5 |

Journal | Physics Letters B |

Volume | 347 |

Issue number | 1-2 |

DOIs | |

State | Published - Mar 16 1995 |

Externally published | Yes |

## ASJC Scopus subject areas

- Nuclear and High Energy Physics

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