56 citations · 358 across the 16 of their papers we have counts for
17 papers
Mechanical resonances of mobile impurities in a one-dimensional quantum fluid
Thomas L. Schmidt, Giacomo Dolcetto, Christopher J. Pedder +2
We study a one-dimensional interacting quantum liquid hosting a pair of mobile impurities causing backscattering. We determine the effective retarded interaction between the two im…
Fundamental limits to helical edge conductivity due to spin-phonon scattering
Solofo Groenendijk, Giacomo Dolcetto, Thomas L. Schmidt
We study the effect of electron-phonon interactions on the electrical conductance of a helical edge state of a two-dimensional topological insulator. We show that the edge deformat…
Charge and energy fractionalization mechanism in one-dimensional channels
Matteo Acciai, Alessio Calzona, Giacomo Dolcetto +2
We study the problem of injecting single electrons into interacting one-dimensional quantum systems, a fundamental building block for electron quantum optics. It is well known that…
Emission of entangled Kramers pairs from a helical mesoscopic capacitor
Giacomo Dolcetto, Thomas L. Schmidt
The realization of single-electron sources in integer quantum Hall systems has paved the way for exploring electronic quantum optics experiments in solid-state devices. In this wor…
Transport through a quantum spin Hall antidot as a spectroscopic probe of spin textures
Alexia Rod, Giacomo Dolcetto, Stephan Rachel +1
We investigate electron transport through an antidot embedded in a narrow strip of two-dimensional topological insulator. We focus on the most generic and experimentally relevant c…
Spin-thermoelectric transport induced by interactions and spin-flip processes in two dimensional topological insulators
Flavio Ronetti, Luca Vannucci, Giacomo Dolcetto +2
We consider thermoelectric transport properties of the edge states of a two dimensional topological insulator in a double quantum point contact geometry coupled to two thermally bi…
Edge physics in two-dimensional topological insulators
Giacomo Dolcetto, Maura Sassetti, Thomas L. Schmidt
Topology in condensed matter physics manifests itself in the emergence of edge or surface states protected by underlying symmetries. We review two-dimensional topological insulator…
Transient dynamics of spin-polarized injection in helical Luttinger liquids
Alessio Calzona, Matteo Carrega, Giacomo Dolcetto +1
We analyze the time evolution of spin-polarized electron wave packets injected into the edge states of a two-dimensional topological insulator. In the presence of electron interact…
Interference induced thermoelectric switching and heat rectification in quantum Hall junctions
Luca Vannucci, Flavio Ronetti, Giacomo Dolcetto +2
Interference represents one of the most striking manifestation of quantum physics in low-dimensional systems. Despite evidences of quantum interference in charge transport have bee…
Time-resolved pure spin fractionalization and spin-charge separation in helical Luttinger liquid based devices
Alessio Calzona, Matteo Carrega, Giacomo Dolcetto +1
Helical Luttinger liquids, appearing at the edge of two-dimensional topological insulators, represent a new paradigm of one-dimensional systems, where peculiar quantum phenomena ca…
Current enhancement through a time dependent constriction in fractional topological insulators
Giacomo Dolcetto, Luca Vannucci, Alessandro Braggio +2
We analyze the backscattering current induced by a time dependent constriction as a tool to probe fractional topological insulators. We demonstrate an enhancement of the total curr…
Magnetic AC control of the spin textures in a helical Luttinger liquid
Giacomo Dolcetto, Fabio Cavaliere, Maura Sassetti
We demonstrate the possibility to induce and control peculiar spin textures in a helical Luttinger liquid, by means of a time-dependent magnetic scatterer. The presence of a pertur…
Spin textures of strongly correlated spin Hall quantum dots
G. Dolcetto, N. Traverso Ziani, M. Biggio +2
We study the spin ordering of a quantum dot defined via magnetic barriers in an interacting quantum spin Hall edge. The spin-resolved density-density correlation functions are comp…
Carbon nanotube sensor for vibrating molecules
F. Remaggi, N. Traverso Ziani, G. Dolcetto +2
The transport properties of a CNT capacitively coupled to a molecule vibrating along one of its librational modes are studied and its transport properties analyzed in the presence…
Coulomb blockade microscopy of spin density oscillations and fractional charge in quantum spin Hall dots
Giacomo Dolcetto, Niccolò Traverso Ziani, Matteo Biggio +2
We evaluate the spin density oscillations arising in quantum spin Hall quantum dots created via two localized magnetic barriers. The combined presence of magnetic barriers and spin…
Generating and controlling spin-polarized currents induced by a quantum spin Hall antidot
Giacomo Dolcetto, Fabio Cavaliere, Dario Ferraro +1
We study an electrically controlled quantum spin Hall antidot embedded in a two-dimensional topological insulating bar. Helical edge states around the antidot and along the edges o…
Spin current pumping in helical Luttinger liquids
Dario Ferraro, Giacomo Dolcetto, Roberta Citro +2
We study the DC spin current induced into an unbiased quantum spin Hall system through a two-point contacts setup with time dependent electron tunneling amplitudes. By means of two…