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Roger F Loring

Explore the profile of Roger F Loring including associated specialties, affiliations and a list of published articles. Areas
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Articles 41
Citations 245
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Recent Articles
1.
Loring R
J Chem Phys . 2023 Jul; 159(4). PMID: 37486055
Electric force microscopy probes the statistics of electric field fluctuations from a sample surface, both through measurement of the noncontact friction exerted on the oscillating charged probe and by determination...
2.
Loring R
J Phys Chem A . 2022 Sep; 126(36):6309-6313. PMID: 36067457
Electric force microscopy, in which a charged probe moves above a surface, can measure thermally generated electric field fluctuations from the sample. Noncontact friction measurements of energy loss from the...
3.
Polley K, Loring R
J Chem Phys . 2022 Jun; 156(20):204110. PMID: 35649842
Two-dimensional electronic-vibrational (2DEV) spectra have the capacity to probe electron-nuclear interactions in molecules by measuring correlations between initial electronic excitations and vibrational transitions at a later time. The trajectory-based semiclassical...
4.
Polley K, Loring R
J Chem Phys . 2022 Apr; 156(12):124108. PMID: 35364894
Thermofield dynamics is an exactly correct formulation of quantum mechanics at finite temperature in which a wavefunction is governed by an effective temperature-dependent quantum Hamiltonian. The optimized mean trajectory (OMT)...
5.
Loring R
Annu Rev Phys Chem . 2022 Jan; 73:273-297. PMID: 35061513
Multidimensional optical spectra are measured from the response of a material system to a sequence of laser pulses and have the capacity to elucidate specific molecular interactions and dynamics whose...
6.
Polley K, Loring R
J Chem Phys . 2021 Jul; 154(19):194110. PMID: 34240897
Two-dimensional vibrational-electronic (2DVE) spectra probe the effects on vibronic spectra of initial vibrational excitation in an electronic ground state. The optimized mean trajectory (OMT) approximation is a semiclassical method for...
7.
Polley K, Loring R
J Chem Phys . 2020 Dec; 153(20):204103. PMID: 33261495
Exact quantum dynamics with a time-independent Hamiltonian in a discrete state space can be computed using classical mechanics through the classical Meyer-Miller-Stock-Thoss mapping Hamiltonian. In order to compute quantum response...
8.
Polley K, Loring R
J Phys Chem B . 2020 Oct; 124(44):9913-9920. PMID: 33108723
We extend the semiclassical optimized mean trajectory (OMT) procedure to calculate electronic spectra for a dimer with excitonic and vibronic interactions. The electronic part of the quantum Hamiltonian is expressed...
9.
Polley K, Loring R
J Chem Phys . 2019 May; 150(16):164114. PMID: 31042922
We present a semiclassical procedure for calculating nonlinear optical spectra from a quantum Hamiltonian with discrete electronic states. The purely electronic Hamiltonian for N states is first mapped to the...
10.
Loring R, Koga K, Ben-Amotz D
J Phys Chem B . 2018 Apr; 122(13):3203-3205. PMID: 29618212
No abstract available.