{ "id": "hep-th/9507053", "version": "v1", "published": "1995-07-09T02:34:00.000Z", "updated": "1995-07-09T02:34:00.000Z", "title": "Massless Boundary Sine-Gordon at the Free Fermion Point: Correlation and Partition Functions with Applications to Quantum Wires", "authors": [ "Robert M. Konik" ], "comment": "24 pages; Tex with harvmac macros; 4 Postscript figures, uuencoded", "categories": [ "hep-th", "cond-mat" ], "abstract": "In this report we compute the boundary states (including the boundary entropy) for the boundary sine-Gordon theory. From the boundary states, we derive both correlation and partition functions. Through the partition function, we show that boundary sine-Gordon maps onto a doubled boundary Ising model. With the current-current correlators, we calculate for finite system size the ac-conductance of tunneling quantum wires with dimensionless free conductance 1/2 (or, alternatively interacting quantum Hall edges at filling fraction 1/2). In the dc limit, the results of C. Kane and M. Fisher, Phys. Rev. B46 (1992) 15233, are reproduced.", "revisions": [ { "version": "v1", "updated": "1995-07-09T02:34:00.000Z" } ], "analyses": { "keywords": [ "partition function", "free fermion point", "massless boundary sine-gordon", "quantum wires", "interacting quantum hall edges" ], "note": { "typesetting": "TeX", "pages": 24, "language": "en", "license": "arXiv", "status": "editable", "inspire": 397052, "adsabs": "1995hep.th....7053K" } } }