53 citations · 124 across the 6 of their papers we have counts for
13 papers
Gauge invariance and Ward identities in nonlinear response theory
Habib Rostami, Mikhail I. Katsnelson, Giovanni Vignale +1
We present a formal analysis of nonlinear response functions in terms of correlation functions in real- and imaginary-time domains. In particular, we show that causal nonlinear res…
Nonlinear exciton drift in piezoelectric two-dimensional materials
Vanik Shahnazaryan, Habib Rostami
Noncentrosymmetric nature of single-layer transition metal dichalcogenides manifest itself in the finite piezoelectricity and valley-Zeeman coupling. We microscopically model nonli…
Many-Body Effects in Third Harmonic Generation of Graphene
Habib Rostami, Emmanuele Cappelluti
The low-energy (intraband) range of the third harmonic generation of graphene in the terahertz regime is governed by the damping terms induced by the interactions. A controlled man…
Acoustogalvanic effect in Dirac and Weyl semimetals
P. O. Sukhachov, H. Rostami
The acoustogalvanic effect is proposed as a nonlinear mechanism to generate a direct electric current by passing acoustic waves in Dirac and Weyl semimetals. Unlike the standard ac…
Layer and orbital interference effects in photoemission from transition metal dichalcogenides
Habib Rostami, Klara Volckaert, Nicola Lanata +10
In this work, we provide an effective model to evaluate the one-electron dipole matrix elements governing optical excitations and the photoemission process of single-layer (SL) and…
Momentum-resolved linear dichroism in bilayer MoS
Klara Volckaert, Habib Rostami, Deepnarayan Biswas +19
Inversion-symmetric crystals are optically isotropic and thus naively not expected to show dichroism effects in optical absorption and photoemission processes. Here, we find a stro…