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024 | 7 | _ | |2 DOI |a 10.1103/PhysRevLett.109.107002 |
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024 | 7 | _ | |2 Handle |a 2128/7586 |
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084 | _ | _ | |2 WoS |a Physics, Multidisciplinary |
100 | 1 | _ | |0 P:(DE-HGF)0 |a Sickinger, H. |b 0 |
245 | _ | _ | |a Experimental evidence of a phi-Josephson Junction |
260 | _ | _ | |a College Park, Md. |b APS |c 2012 |
300 | _ | _ | |a 107002 |
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440 | _ | 0 | |0 4925 |a Physical Review Letters |v 109 |x 0031-9007 |y 10 |
500 | _ | _ | |3 POF3_Assignment on 2016-02-29 |
500 | _ | _ | |a We acknowledge financial support by the German Israeli Foundation (Grant No. G-967-126.14/2007) and DFG (via SFB/TRR-21, project A5 as well via project Go-1106/3). H. S. gratefully acknowledges support by the Evangelisches Studienwerk e. V. Villigst. |
520 | _ | _ | |a We demonstrate experimentally the existence of Josephson junctions having a doubly degenerate ground state with an average Josephson phase psi = +/-phi. The value of phi can be chosen by design in the interval 0 < phi < pi. The junctions used in our experiments are fabricated as 0-pi Josephson junctions of moderate normalized length with asymmetric 0 and pi regions. We show that (a) these phi Josephson junctions have two critical currents, corresponding to the escape of the phase c from -phi and +phi states, (b) the phase psi can be set to a particular state by tuning an external magnetic field, or (c) by using a proper bias current sweep sequence. The experimental observations are in agreement with previous theoretical predictions. |
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700 | 1 | _ | |0 P:(DE-HGF)0 |a Mints, R.G. |b 3 |
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700 | 1 | _ | |0 P:(DE-HGF)0 |a Koelle, D. |b 5 |
700 | 1 | _ | |0 P:(DE-HGF)0 |a Kleiner, R. |b 6 |
700 | 1 | _ | |0 P:(DE-HGF)0 |a Goldobin, E. |b 7 |
773 | _ | _ | |0 PERI:(DE-600)1472655-5 |a 10.1103/PhysRevLett.109.107002 |g Vol. 109, p. 107002 |p 107002 |q 109<107002 |t Physical review letters |v 109 |x 0031-9007 |y 2012 |
856 | 7 | _ | |u http://dx.doi.org/10.1103/PhysRevLett.109.107002 |
856 | 4 | _ | |u https://juser.fz-juelich.de/record/22767/files/FZJ-22767.pdf |y OpenAccess |z Published final document. |
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