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Phys Rev Lett
; 85(9): 1946-9, 2000 Aug 28.
Article
in English
| MEDLINE
| ID: mdl-10970654
ABSTRACT
The out-of-equilibrium transport properties of a double quantum dot system in the Kondo regime are studied theoretically by means of a two-impurity Anderson Hamiltonian with interimpurity hopping. The Hamiltonian is solved by means of a nonequilibrium generalization of the slave-boson mean-field theory. It is demonstrated that measurements of the differential conductance dI/dV, for appropriate values of voltages and tunneling couplings, can give a direct observation of the coherent superposition between the many-body Kondo states of each dot. For large voltages and arbitrarily large interdot tunneling, there is a critical voltage above which the physical behavior of the system again resembles that of two decoupled quantum dots.
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Phys Rev B Condens Matter
; 52(8): 6067-6080, 1995 Aug 15.
Article
in English
| MEDLINE
| ID: mdl-9981797
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Phys Rev B Condens Matter
; 52(4): 2988-2994, 1995 Jul 15.
Article
in English
| MEDLINE
| ID: mdl-9981372
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Phys Rev B Condens Matter
; 49(19): 13929-13947, 1994 May 15.
Article
in English
| MEDLINE
| ID: mdl-10010342
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Phys Rev B Condens Matter
; 49(19): 13948-13965, 1994 May 15.
Article
in English
| MEDLINE
| ID: mdl-10010343
10.
Phys Rev B Condens Matter
; 47(23): 15869-15889, 1993 Jun 15.
Article
in English
| MEDLINE
| ID: mdl-10005987
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Phys Rev B Condens Matter
; 47(19): 12852-12864, 1993 May 15.
Article
in English
| MEDLINE
| ID: mdl-10005482
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Phys Rev B Condens Matter
; 47(7): 4142-4145, 1993 Feb 15.
Article
in English
| MEDLINE
| ID: mdl-10006553
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Phys Rev B Condens Matter
; 43(4): 2541-2557, 1991 Feb 01.
Article
in English
| MEDLINE
| ID: mdl-9997544
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Phys Rev B Condens Matter
; 43(2): 1353-1370, 1991 Jan 15.
Article
in English
| MEDLINE
| ID: mdl-9997384
15.
Phys Rev B Condens Matter
; 41(9): 5674-5684, 1990 Mar 15.
Article
in English
| MEDLINE
| ID: mdl-9994450
16.
Phys Rev B Condens Matter
; 39(14): 10020-10027, 1989 May 15.
Article
in English
| MEDLINE
| ID: mdl-9947780
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Phys Rev B Condens Matter
; 39(14): 10028-10046, 1989 May 15.
Article
in English
| MEDLINE
| ID: mdl-9947781
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