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- Thomas G Pedersen, Christian Flindt, Jesper Pedersen, Niels Asger Mortensen, Antti-Pekka Jauho, Kjeld Pedersen
- Physical review letters
- 2008

Antidot lattices, defined on a two-dimensional electron gas at a semiconductor heterostructure, are a well-studied class of man-made structures with intriguing physical properties. We point out that a closely related system, graphene sheets with regularly spaced holes ("antidots"), should display similar phenomenology, but within a much more favorable… (More)

- Christian Flindt, Tomás Novotný, Alessandro Braggio, Maura Sassetti, Antti-Pekka Jauho
- Physical review letters
- 2008

We derive a general expression for the cumulant generating function (CGF) of non-Markovian quantum stochastic transport processes. The long-time limit of the CGF is determined by a single dominating pole of the resolvent of the memory kernel from which we extract the zero-frequency cumulants of the current using a recursive scheme. The finite-frequency… (More)

PACS. 85.85.+j – Micro-and nano-electromechanical systems and devices. PACS. 72.70.+m – Noise processes and phenomena. Abstract. – We develop a theory for the full counting statistics (FCS) for a class of nano-electromechanical systems (NEMS), describable by a Markovian generalized master equation. The theory is applied to two specific examples of current… (More)

- Niels Ubbelohde, Christian Fricke, Christian Flindt, Frank Hohls, Rolf J. Haug
- Nature communications
- 2012

Electron transport in nanoscale structures is strongly influenced by the Coulomb interaction that gives rise to correlations in the stream of charges and leaves clear fingerprints in the fluctuations of the electrical current. A complete understanding of the underlying physical processes requires measurements of the electrical fluctuations on all time and… (More)

– We investigate photon-mediated transport processes in a hybrid circuit-QED structure consisting of two double quantum dots coupled to a common microwave cavity. Under suitable resonance conditions, electron transport in one double quantum dot is facilitated by the transport in the other dot via photon-mediated processes through the cavity. We calculate… (More)

- Tomás Novotný, Andrea Donarini, Christian Flindt, Antti-Pekka Jauho
- Physical review letters
- 2004

We formulate a theory for shot noise in quantum nanoelectromechanical systems. As a specific example, the theory is applied to a quantum shuttle, and the zero-frequency noise, measured by the Fano factor F, is computed. F reaches very low values (F approximately 10(-2)) in the shuttling regime even in the quantum limit, confirming that shuttling is… (More)

- Christian Bergenfeldt, Peter Samuelsson, Björn Sothmann, Christian Flindt, Markus Büttiker
- Physical review letters
- 2014

We propose and analyze the use of hybrid microwave cavities as quantum heat engines. A possible realization consists of two macroscopically separated quantum-dot conductors coupled capacitively to the fundamental mode of a microwave cavity. We demonstrate that an electrical current can be induced in one conductor through cavity-mediated processes by heating… (More)

- James M Hickey, Christian Flindt, Juan P Garrahan
- Physical review. E, Statistical, nonlinear, and…
- 2014

We use high-order cumulants to investigate the Lee-Yang zeros of generating functions of dynamical observables in open quantum systems. At long times the generating functions take on a large-deviation form with singularities of the associated cumulant generating functions-or dynamical free energies-signifying phase transitions in the ensemble of dynamical… (More)

- Christian Flindt, Juan P Garrahan
- Physical review letters
- 2013

We investigate Lee-Yang zeros of generating functions of dynamical observables and establish a general relation between phase transitions in ensembles of trajectories of stochastic many-body systems and the time evolution of high-order cumulants of such observables. This connects dynamical free energies for full counting statistics in the long-time limit,… (More)

- Christian Flindt, Anders S Sørensen, Karsten Flensberg
- Physical review letters
- 2006

We propose to use the spin-orbit interaction as a means to control electron spins in quantum dots, enabling both single-qubit and two-qubit operations. Very fast single-qubit operations may be achieved by temporarily displacing the electrons. For two-qubit operations the coupling mechanism is based on a combination of the spin-orbit coupling and the mutual… (More)