Large-n Excitations in the Ferromagnetic Ising Field Theory in a Weak Magnetic Field: Mass Spectrum and Decay Widths
Journal Article
·
· Physical Review Letters
- Institute of Solid State and Semiconductor Physics, P. Brovki 17, 220072 Minsk (Belarus)
In the presence of a small magnetic field h, the elementary excitations in the scaling two-dimensional Ising model are studied perturbatively in h in the ferromagnetic phase. For excitations with large numbers n, the mass spectrum is obtained in the first order in h. The decay widths of excitations with energies above the stability threshold are calculated in the leading h{sup 3} order.
- OSTI ID:
- 20699691
- Journal Information:
- Physical Review Letters, Vol. 95, Issue 25; Other Information: DOI: 10.1103/PhysRevLett.95.250601; (c) 2005 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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