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1.
Thermodynamics of the spin- 1/2 antiferromagnetic uniform heisenberg chain
Klumper A; Johnston DC.
Phys Rev Lett ; 84(20): 4701-4, 2000 May 15.
Artigo em Inglês | MEDLINE | ID: mdl-10990775

RESUMO

We present a new application of the traditional thermodynamic Bethe ansatz to the spin-1/2 antiferromagnetic uniform Heisenberg chain and derive exact nonlinear integral equations for just two functions describing the elementary excitations. By using this approach, the magnetic susceptibility chi and specific heat C versus temperature T are calculated to high accuracy for 5x10(-25)

2.
Electronic and magnetic properties of single-crystal YNi2B2C from 11B and 89Y NMR and magnetic-susceptibility measurements.
Suh BJ; Borsa F; Torgeson DR; Cho BK; Canfield PC; Johnston DC; Rhee JY; Harmon BN.
Phys Rev B Condens Matter ; 54(21): 15341-15351, 1996 Dec 01.
Artigo em Inglês | MEDLINE | ID: mdl-9985599
3.
Nonlocal electrodynamics and low-temperature magnetization of clean high- kappa superconductors.
Kogan VG; Gurevich A; Cho JH; Johnston DC; Xu M; Thompson JR; Martynovich A.
Phys Rev B Condens Matter ; 54(17): 12386-12396, 1996 Nov 01.
Artigo em Inglês | MEDLINE | ID: mdl-9985101
4.
Antiferromagnetic exchange in two-leg spin-1/2 ladders.
Johnston DC.
Phys Rev B Condens Matter ; 54(18): 13009-13016, 1996 Nov 01.
Artigo em Inglês | MEDLINE | ID: mdl-9985159
5.
Phase separation and oxygen diffusion in electrochemically oxidized La2CuO4+ delta : A static magnetic susceptibility study.
Chou FC; Johnston DC.
Phys Rev B Condens Matter ; 54(1): 572-583, 1996 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-9984293
6.
Breakdown of de Gennes Scaling in (R1-xR'x)Ni2B2C Compounds.
Cho BK; Canfield PC; Johnston DC.
Phys Rev Lett ; 77(1): 163-166, 1996 Jul 01.
Artigo em Inglês | MEDLINE | ID: mdl-10061797
7.
Magnetic anisotropy and weak ferromagnetism of single-crystal TbNi2B2C.
Cho BK; Canfield PC; Johnston DC.
Phys Rev B Condens Matter ; 53(13): 8499-8505, 1996 Apr 01.
Artigo em Inglês | MEDLINE | ID: mdl-9982354
8.
Vortex glass and lattice melting transitions in a YNi2B2C single crystal.
Mun MO; Lee SI; Lee WC; Canfield PC; Cho BK; Johnston DC.
Phys Rev Lett ; 76(15): 2790-2793, 1996 Apr 08.
Artigo em Inglês | MEDLINE | ID: mdl-10060789
9.
Absence of antiferromagnetic correlations in YNi2B2C.
Suh BJ; Borsa F; Torgeson DR; Cho BK; Canfield PC; Johnston DC; Rhee JY; Harmon BN.
Phys Rev B Condens Matter ; 53(10): R6022-R6025, 1996 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-9982101
10.
Crystalline electric-field effects in single-crystal HoNi2B2C.
Cho BK; Harmon BN; Johnston DC; Canfield PC.
Phys Rev B Condens Matter ; 53(5): 2217-2220, 1996 Feb 01.
Artigo em Inglês | MEDLINE | ID: mdl-9983714
11.
Raman modes of RNi2B2C (R=Lu, Ho, Y) single crystals.
Park HJ; Shin HS; Lee HG; Yang IS; Lee WC; Cho BK; Canfield PC; Johnston DC.
Phys Rev B Condens Matter ; 53(5): 2237-2240, 1996 Feb 01.
Artigo em Inglês | MEDLINE | ID: mdl-9983719
12.
Optical properties of single-crystal La2CuO4+ delta.
Quijada MA; Tanner DB; Chou FC; Johnston DC; Cheong S.
Phys Rev B Condens Matter ; 52(21): 15485-15503, 1995 Dec 01.
Artigo em Inglês | MEDLINE | ID: mdl-9980906
13.
Oxygen ordering and phase separation in La2CuO4+ delta.
Statt BW; Hammel PC; Fisk Z; Cheong SW; Chou FC; Johnston DC; Schirber JE.
Phys Rev B Condens Matter ; 52(21): 15575-15581, 1995 Dec 01.
Artigo em Inglês | MEDLINE | ID: mdl-9980918
14.
Staggered magnetization in La2-xSrxCuO4 from 139La NQR and microSR: Effects of Sr doping in the range 0
Borsa F; Carreta P; Cho JH; Chou FC; Hu Q; Johnston DC; Lascialfari A; Torgeson DR; Gooding RJ; Salem NM; Vos KJ.
Phys Rev B Condens Matter ; 52(10): 7334-7345, 1995 Sep 01.
Artigo em Inglês | MEDLINE | ID: mdl-9979677
15.
Static magnetization and ac susceptibility measurements of the copper-oxygen cluster compound BaCuO2+x.
Wang ZR; Johnston DC; Miller LL; Vaknin D.
Phys Rev B Condens Matter ; 52(10): 7384-7394, 1995 Sep 01.
Artigo em Inglês | MEDLINE | ID: mdl-9979683
16.
Spin correlations and magnetic field effects in the weakly anisotropic square-lattice antiferromagnet Sr2CuO2Cl2.
Suh BJ; Borsa F; Miller LL; Corti M; Johnston DC; Torgeson DR.
Phys Rev Lett ; 75(11): 2212-2215, 1995 Sep 11.
Artigo em Inglês | MEDLINE | ID: mdl-10059242
17.
Magnetic and superconducting properties of single-crystal TmNi2B2C.
Cho BK; Xu M; Canfield PC; Miller LL; Johnston DC.
Phys Rev B Condens Matter ; 52(5): 3676-3683, 1995 Aug 01.
Artigo em Inglês | MEDLINE | ID: mdl-9981495
18.
Magnetism and superconductivity in single-crystal ErNi2B2C.
Cho BK; Canfield PC; Miller LL; Johnston DC; Beyermann WP; Yatskar A.
Phys Rev B Condens Matter ; 52(5): 3684-3695, 1995 Aug 01.
Artigo em Inglês | MEDLINE | ID: mdl-9981496
19.
Onset of superconductivity in the antiferromagnetically ordered state of single-crystal DyNi2B2C.
Cho BK; Canfield PC; Johnston DC.
Phys Rev B Condens Matter ; 52(6): R3844-R3847, 1995 Aug 01.
Artigo em Inglês | MEDLINE | ID: mdl-9981608
20.
Superconducting anisotropy of YNi2B2C.
Johnston-Halperin E; Fiedler J; Farrell DE; Xu M; Cho BK; Canfield PC; Finnemore DK; Johnston DC.
Phys Rev B Condens Matter ; 51(18): 12852-12853, 1995 May 01.
Artigo em Inglês | MEDLINE | ID: mdl-9978071
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