Non-linear non-local molecular electrodynamics with nano-optical fields
- Wayne State Univ., Detroit, MI (United States). Department of Chemistry and Department of Mathematics
- Univ. of California, Irvine, CA (United States). Department of Chemistry
The interaction of optical fields sculpted on the nano-scale with matter may not be described by the dipole approximation since the fields may vary appreciably across the molecular length scale. Rather than incrementally adding higher multipoles, it is advantageous and more physically transparent to describe the optical process using non-local response functions that intrinsically include all multi-poles. In this work, we present a semi-classical approach for calculating non-local response functions based on the minimal coupling Hamiltonian. The first, second, and third order response functions are expressed in terms of correlation functions of the charge and the current densities. Finally, this approach is based on the gauge invariant current rather than the polarization, and on the vector potential rather than the electric and magnetic fields.
- Research Organization:
- Univ. of California, Irvine, CA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- Grant/Contract Number:
- FG02-04ER15571
- OSTI ID:
- 1469573
- Alternate ID(s):
- OSTI ID: 1224331
- Journal Information:
- Journal of Chemical Physics, Vol. 143, Issue 16; ISSN 0021-9606
- Publisher:
- American Institute of Physics (AIP)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Web of Science
Perspective: Quantum Hamiltonians for optical interactions
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journal | January 2018 |
Quantum transition probabilities during a perturbing pulse: Differences between the nonadiabatic results and Fermi’s golden rule forms
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journal | May 2018 |
Nonadiabatic transition probabilities in a time-dependent Gaussian pulse or plateau pulse: Toward experimental tests of the differences from Dirac’s transition probabilities
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journal | November 2018 |
Imaging electron-density fluctuations by multidimensional X-ray photon-coincidence diffraction
|
journal | December 2018 |
| Perspective: Quantum Hamiltonians for Optical Interactions | text | January 2018 |
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