The dynamical frustration of interlayer excitons delocalizing in bilayer quantum antiferromagnets

L. Rademaker, K. Wu, H. Hilgenkamp, J. Zaanen

Research output: Contribution to journalArticleAcademicpeer-review

13 Citations (Scopus)

Abstract

Using the self-consistent Born approximation we study the delocalization of interlayer excitons in the bilayer Heisenberg quantum antiferromagnet. Under realistic conditions we find that the coupling between the exciton motion and the spin system is strongly enhanced as compared to the case of a single carrier, to a degree that it mimics the confinement physics of carriers in Ising spin systems. We predict that the "ladder spectrum" associated with this confinement physics should be visible in the c-axis exciton spectra of insulating bilayer cuprates such as YBa2Cu3O6. Our discovery indicates that finite density systems of such excitons should show very rich physical behavior
Original languageEnglish
Article number27004
Pages (from-to)27004-
Number of pages6
JournalEurophysics letters
Volume97
Issue number2
DOIs
Publication statusPublished - 2012

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frustration
interlayers
excitons
physics
ladders
Born approximation
cuprates

Keywords

  • METIS-289215
  • IR-82258

Cite this

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The dynamical frustration of interlayer excitons delocalizing in bilayer quantum antiferromagnets. / Rademaker, L.; Wu, K.; Hilgenkamp, H.; Zaanen, J.

In: Europhysics letters, Vol. 97, No. 2, 27004, 2012, p. 27004-.

Research output: Contribution to journalArticleAcademicpeer-review

TY - JOUR

T1 - The dynamical frustration of interlayer excitons delocalizing in bilayer quantum antiferromagnets

AU - Rademaker, L.

AU - Wu, K.

AU - Hilgenkamp, H.

AU - Zaanen, J.

PY - 2012

Y1 - 2012

N2 - Using the self-consistent Born approximation we study the delocalization of interlayer excitons in the bilayer Heisenberg quantum antiferromagnet. Under realistic conditions we find that the coupling between the exciton motion and the spin system is strongly enhanced as compared to the case of a single carrier, to a degree that it mimics the confinement physics of carriers in Ising spin systems. We predict that the "ladder spectrum" associated with this confinement physics should be visible in the c-axis exciton spectra of insulating bilayer cuprates such as YBa2Cu3O6. Our discovery indicates that finite density systems of such excitons should show very rich physical behavior

AB - Using the self-consistent Born approximation we study the delocalization of interlayer excitons in the bilayer Heisenberg quantum antiferromagnet. Under realistic conditions we find that the coupling between the exciton motion and the spin system is strongly enhanced as compared to the case of a single carrier, to a degree that it mimics the confinement physics of carriers in Ising spin systems. We predict that the "ladder spectrum" associated with this confinement physics should be visible in the c-axis exciton spectra of insulating bilayer cuprates such as YBa2Cu3O6. Our discovery indicates that finite density systems of such excitons should show very rich physical behavior

KW - METIS-289215

KW - IR-82258

U2 - 10.1209/0295-5075/97/27004

DO - 10.1209/0295-5075/97/27004

M3 - Article

VL - 97

SP - 27004-

JO - Europhysics letters

JF - Europhysics letters

SN - 0295-5075

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M1 - 27004

ER -