Sen, Diptiman (1991) Quantum-spin-chain realizations of conformal field theories Physical Review B: Condensed Matter and Materials Physics, 44 (6). pp. 2645-2651. ISSN 1098-0121
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Official URL: http://prb.aps.org/abstract/PRB/v44/i6/p2645_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.44.2645
Abstract
We present a series of one-dimensional quantum Hamiltonians that, at certain critical points, realize the minimal series of conformal field theories with central charge less than one. The models consist of ferromagnetically coupled SU(2) spins in a transverse magnetic field. The infinite-spin (free-boson) limit is especially studied after performing the Holstein-Primakoff transformation. The analysis can be generalized to SU(3) quantum chains. These realize a different series of conformal field theories at criticality.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 45576 |
| Deposited On: | 28 Jun 2011 05:39 |
| Last Modified: | 28 Jun 2011 05:39 |
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