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One- plus two-body random matrix ensembles with spin: Results for pairing correlations |
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| Authors: | Manan Vyas ND Chavda |
| Institution: | a Physical Research Laboratory, Ahmedabad 380 009, India b Department of Physics, Laurentian University, Sudbury, ON P3E 2C6, Canada c Applied Physics Department, Faculty of Engineering and Technology, M.S. University of Baroda, Vadodara 390 001, India |
| Abstract: | For EGOE(1+2)-s ensemble for fermions, in the strong coupling region, partial densities over pairing subspaces follow Gaussian form and propagation formulas for their centroids and variances are derived. Similarly for this ensemble: (i) pair transfer strength sums, a statistic for chaos, are shown to follow a simple form; (ii) a quantity used in conductance peak spacings analysis is shown to exhibit bimodal form when pairing is stronger than the exchange interaction. |
| Keywords: | 05 30 Fk 05 30 -d 71 10 Li 74 78 Na |
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