Search Results - "Brádler, Kamil"
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A novel approach to perturbative calculations for a large class of interacting boson theories
Published in Nuclear physics. B (01-01-2018)“…We present a method of calculating the interacting S-matrix to an arbitrary perturbative order for a large class of boson interaction Lagrangians. The method…”
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2
Hiking a generalized Dyck path: A tractable way of calculating multimode boson evolution operators
Published in Computer physics communications (01-11-2015)“…A time evolution operator in the interaction picture is given by exponentiating an interaction Hamiltonian H. Important examples of Hamiltonians, often…”
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3
The capacity of black holes to transmit quantum information
Published in The journal of high energy physics (01-05-2014)“…A bstract We study the properties of the quantum information transmission channel that emerges from the quantum dynamics of particles interacting with a black…”
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4
Black holes as bosonic Gaussian channels
Published in Physical review. D, Particles, fields, gravitation, and cosmology (20-07-2015)Get full text
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5
Finite-key security analysis for multilevel quantum key distribution
Published in New journal of physics (14-07-2016)“…We present a detailed security analysis of a d-dimensional quantum key distribution protocol based on two and three mutually unbiased bases (MUBs) both in an…”
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High-Photon-Loss Threshold Quantum Computing Using GHZ-State Measurements
Published in Physical review letters (02-08-2024)“…We propose fault-tolerant architectures based on performing projective measurements in the Greenberger-Horne-Zeilinger (GHZ) basis on constant-sized, entangled…”
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7
One-Shot Decoupling and Page Curves from a Dynamical Model for Black Hole Evaporation
Published in Physical review letters (11-03-2016)“…One-shot decoupling is a powerful primitive in quantum information theory and was hypothesized to play a role in the black hole information paradox. We study…”
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Graph isomorphism and Gaussian boson sampling
Published in Special matrices (06-04-2021)“…We introduce a connection between a near-term quantum computing device, specifically a Gaussian boson sampler, and the graph isomorphism problem. We propose a…”
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Quantum Communication in Rindler Spacetime
Published in Communications in mathematical physics (01-06-2012)“…A state that an inertial observer in Minkowski space perceives to be the vacuum will appear to an accelerating observer to be a thermal bath of radiation. We…”
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10
Nonnegativity for hafnians of certain matrices
Published in Linear & multilinear algebra (16-12-2022)“…We show that a complex symmetric matrix of the form , where B is Hermitian positive semidefinite, has a nonnegative hafnian. Some positive scalar multiples of…”
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Trade-off capacities of the quantum Hadamard channels
Published in Physical review. A, Atomic, molecular, and optical physics (14-06-2010)“…Coding theorems in quantum Shannon theory express the ultimate rates at which a sender can transmit information over a noisy quantum channel. More often than…”
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An Infinite Sequence of Additive Channels: The Classical Capacity of Cloning Channels
Published in IEEE transactions on information theory (01-08-2011)“…We introduce an infinite sequence of quantum channels for which the Holevo capacity is additive. The channel series is closely related to the quantum channels…”
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13
Error mitigation on a near-term quantum photonic device
Published in Quantum (Vienna, Austria) (04-05-2021)“…Photon loss is destructive to the performance of quantum photonic devices and therefore suppressing the effects of photon loss is paramount to photonic quantum…”
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14
The futility of long-term predictions in bipolar disorder: mood fluctuations are the result of deterministic chaotic processes
Published in International Journal of Bipolar Disorders (01-10-2021)“…Background Understanding the underlying architecture of mood regulation in bipolar disorder (BD) is important, as we are starting to conceptualize BD as a more…”
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Comment on “Fermionic entanglement ambiguity in noninertial frames”
Published in Physical review. A, Atomic, molecular, and optical physics (17-01-2012)Get full text
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16
Continuous-variable private quantum channel
Published in Physical review. A, Atomic, molecular, and optical physics (01-10-2005)“…In this paper we introduce the concept of quantum private channel within the continuous variables framework (CVPQC) and investigate its properties. In terms of…”
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Quantum and classical capacity boosted by a Lorentz transformation
Published in Physical review. A, Atomic, molecular, and optical physics (11-08-2014)Get full text
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18
Identifying the quantum correlations in light-harvesting complexes
Published in Physical review. A, Atomic, molecular, and optical physics (13-12-2010)“…One of the major efforts in the quantum biological program is to subject biological systems to standard tests or measures of quantumness. These tests and…”
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19
Episode forecasting in bipolar disorder: Is energy better than mood?
Published in Bipolar disorders (01-08-2018)“…Objective Bipolar disorder is a severe mood disorder characterized by alternating episodes of mania and depression. Several interventions have been developed…”
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Nonlinear dynamics of mood regulation in bipolar disorder
Published in Bipolar disorders (01-03-2015)“…Objectives We sought to study the underlying dynamic processes involved in mood regulation in subjects with bipolar disorder and healthy control subjects using…”
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