Coulomb interactions and nanoscale electronic inhomogeneities in manganites

Physical Review Letters

Volumn 98, Issue 9, 2007, Pages

  Shenoy, Vijay B ^a   Gupta, Tribikram ^a   Krishnamurthy, H R ^a,c   Ramakrishnan, T V ^a,b,c  

^a INDIAN INSTITUTE OF SCIENCE   (India)

^b BANARAS HINDU UNIVERSITY   (India)

^c JAWAHARLAL NEHRU CENTRE FOR ADVANCED SCIENTIFIC RESEARCH   (India)

Author keywords

[No Author keywords available]

Indexed keywords

COMPUTER SIMULATION; MATHEMATICAL MODELS; NANOSTRUCTURED MATERIALS; PHASE SEPARATION;

COULOMB INTERACTIONS; ELECTRONIC FLUIDS; MANGANITES; NANOSCALE ELECTRONIC INHOMOGENEITIES;

MANGANESE COMPOUNDS;

EID: 33847305436     PISSN: 00319007     EISSN: 10797114     Source Type: Journal    
DOI: 10.1103/PhysRevLett.98.097201     Document Type: Article

References (40)

1. M. Uehara, Nature (London) NATUAS 0028-0836 399, 560 (1999); 10.1038/21142
2. C. Renner, Nature (London) NATUAS 0028-0836 416, 518 (2002); 10.1038/416518a
3. M. Fäth, Science 285, 1540 (1999); SCIEAS 0036-8075 10.1126/science.285.5433.1540
4. L. Zhang, Science 298, 805 (2002); SCIEAS 0036-8075 10.1126/science. 1077346
5. N.D. Mathur and P.B. Littlewood, Phys. Today, No. 1, 25 (2003); PHTOAD 0031-9228
6. C.N.R. Rao, Dalton Trans., 3003 (2004) JCSDAA 1364-5447;
7. V.B. Shenoy, Chem. Phys. Chem. 7, 2053 (2006). CPCHFT 1439-4235 10.1002/cphc.200600188
8. E. Dagotto, Phys. Rep. PRPLCM 0370-1573 344, 1 (2001); 10.1016/S0370-1573(00)00121-6
9. E. Dagotto, Nanoscale Phase Separation and Colossal Magnetoresistance (Springer-Verlag, Berlin, 2003).
10. D.D. Sarma, Phys. Rev. Lett. 93, 097202 (2004). PRLTAO 0031-9007 10.1103/PhysRevLett.93.097202
11. Phase Separation in Cuprate Superconductors, edited by, E. Sigmund, and, K.A. Müller, (Springer, Heidelberg, 1994).
12. J.C. Burley, Phys. Rev. B PRBMDO 0163-1829 69, 054401 (2004); 10.1103/PhysRevB.69.054401
13. A.K. Kundu, J. Solid State Chem. 179, 923 (2006). JSSCBI 0022-4596 10.1016/j.jssc.2005.12.014
14. E. Dagotto, Science 309, 257 (2005). SCIEAS 0036-8075 10.1126/science.1107559
15. K.H. Ahn, Nature (London) NATUAS 0028-0836 428, 401 (2004). 10.1038/nature02364
16. G.V. Pai, Europhys. Lett. 64, 696 (2003). EULEEJ 0295-5075 10.1209/epl/i2003-00282-0
17. T.V. Ramakrishnan, Phys. Rev. Lett. 92, 157203 (2004). PRLTAO 0031-9007 10.1103/PhysRevLett.92.157203
18. Model parameters are from D.D. Sarma, Phys. Rev. Lett. 75, 1126 (1995); PRLTAO 0031-9007 10.1103/PhysRevLett.75.1126
19. S. Satpathy, Phys. Rev. Lett. 76, 960 (1996); PRLTAO 0031-9007 10.1103/PhysRevLett.76.960
20. A.J. Millis, Phil. Trans. R. Soc. A PTRMAD 1364-503X 356, 1473 (1998). 10.1098/rsta.1998.0230
21. J.K. Freericks and V. Zlatić, Rev. Mod. Phys. 75, 1333 (2003); RMPHAT 0034-6861 10.1103/RevModPhys.75.1333
22. J.K. Freericks, Phys. Rev. Lett. 88, 106401 (2002). PRLTAO 0031-9007 10.1103/PhysRevLett.88.106401
23. C. Kittel, Introduction to Solid State Physics (John Wiley & Sons, New York, 1996), 7th ed.
24. A.L. Efros and B.I. Shklovskii, J. Phys. C JPSOAW 0022-3719 8, L49 (1975); 10.1088/0022-3719/8/4/003
25. S.D. Baranovskii, J. Phys. C JPSOAW 0022-3719 12, 1023 (1979); 10.1088/0022-3719/12/6/015
26. J.H. Davies, Phys. Rev. B PRBMDO 0163-1829 29, 4260 (1984); 10.1103/PhysRevB.29.4260
27. T. Vojta and M. Schreiber, Philos. Mag. B PMABDJ 0958-6644 81, 1117 (2001). 10.1080/13642810110055724
28. eg. see E. Nagaev, Physics of Magnetic Semiconductors (MIR, Moscow, 1983);
29. V.J. Emery, Phys. Rev. Lett. 64, 475 (1990); PRLTAO 0031-9007 10.1103/PhysRevLett.64.475
30. V.J. Emery and S.A. Kivelson, Physica (Amsterdam) C209, 597 (1993); PHYCE6 0921-4534 10.1016/0921-4534(93)90581-A
31. J. Lorenzana, Phys. Rev. B PRBMDO 0163-1829 64, 235127 (2001), and references therein. 10.1103/PhysRevB.64.235127
32. Insulating polaron fluids without Coulomb effects have been studied by J.A. Vergés, Phys. Rev. Lett. 88, 136401 (2002). PRLTAO 0031-9007 10.1103/PhysRevLett.88.136401
33. L. Sudheendra and C.N.R. Rao, J. Phys. Condens. Matter JCOMEL 0953-8984 15, 3029 (2003). 10.1088/0953-8984/15/19/306
34. J.C. Loudon, Nature (London) NATUAS 0028-0836 420, 797 (2002). 10.1038/nature01299
35. At half doping, where these experiments are actually done, the relevant clusters have orbital or charge order. More detailed considerations along the lines of O. Cepas, Phys. Rev. Lett. 94, 247207 (2005), and PRLTAO 0031-9007 10.1103/PhysRevLett.94.247207
36. O. Cepas Phys. Rev. B PRBMDO 0163-1829 73, 035218 (2006) are necessary to account for these. 10.1103/PhysRevB.73.035218
37. S. Murakami and N. Nagaosa, Phys. Rev. Lett. 90, 197201 (2003). PRLTAO 0031-9007 10.1103/PhysRevLett.90.197201
38. R. Mathieu, Phys. Rev. Lett. 93, 227202 (2004). PRLTAO 0031-9007 10.1103/PhysRevLett.93.227202
39. Y.-A. Soh, J. Appl. Phys. 91, 7742 (2002); JAPIAU 0021-8979 10.1063/1.1455609
40. M. Paranjape, Phys. Rev. B PRBMDO 0163-1829 67, 214415 (2003). 10.1103/PhysRevB.67.214415