Aharonov-Bohm oscillations in the local density of states

Physical Review B - Condensed Matter and Materials Physics

Volumn 80, Issue 15, 2009, Pages

  Cano, A ^a   Paul, I ^b,c  

^a EUROPEAN SYNCHROTRON RADIATION FACILITY   (France)

^b CNRS   (France)

^c INSTITUT LAUE LANGEVIN   (France)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 71449113906     PISSN: 10980121     EISSN: 1550235X     Source Type: Journal    
DOI: 10.1103/PhysRevB.80.153401     Document Type: Article

References (18)

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14. Expression 2 gives a spurious divergence for the real part of G (r,ω) for r=0. This divergence is regularized by using Kramers-Kroning relations to define the real part of G (0,ω) in expression 8 as ReG (0,ω) =- 2 π P ImG (0, ω′) ω- ω′ d ω′ and by cutting off the integral with the corresponding electron bandwidth [see, e.g., S. Doniach and E. H. Sondheimer, Green's Functions for Solid Physicists (W.A. Benjamin Inc., London, 1974), p. 79].
15. Note that the experimental dI/dV maps will show the Aharonov-Bohm oscillations even if dI/dV is not proportional to the local density of states of the sample.
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