Published July 1984
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Finite-size scaling for quantum chains with an oscillatory energy gap
Description
We show that the existence of zeroes of the energy gap for finite quantum chains is related to a nonvanishing wavevector. Finite-size scaling ansaetze are formulated for incommensurable and oscillatory structures. The ansaetze are verified in the one-dimensional XY model in a transverse field. (orig.)
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Additional details
Publishing Information
- Imprint Pagination
- 33 p.
- Report number
- BONN-HE--84-17
INIS
- Country of Publication
- Germany
- Country of Input or Organization
- Germany
- INIS RN
- 15068597
- Subject category
- S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS;
- Descriptors DEI
- ENERGY GAP; MANY-BODY PROBLEM; ONE-DIMENSIONAL CALCULATIONS; OSCILLATIONS; QUANTUM MECHANICS; SCALING LAWS
- Descriptors DEC
- MECHANICS