期刊
PHYSICS LETTERS B
卷 743, 期 -, 页码 138-142出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2015.02.038
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资金
- Labex PALM AO grant CASIMIR
- NSF [DMR-12-06323]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1206323] Funding Source: National Science Foundation
The exact critical Casimir force between periodically deformed boundaries of a 2D semi-infinite strip is obtained for conformally invariant classical systems. Only two parameters (conformal charge, dimension of a boundary changing operator), along with the solution of an electrostatic problem, determine the Casimir force, rendering the theory practically applicable to any shape. The attraction between any two mirror symmetric objects follows directly from our general result. The possibility of purely shape induced reversal of the force, as well as occurrence of stable equilibrium is demonstrated for certain conformally invariant models, including the tricritical Ising model. (C) 2015 The Authors. Published by Elsevier B.V.
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