Search Results - "VOGEL, W"
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1
Multipartite entanglement witnesses
Published in Physical review letters (13-09-2013)“…We derive a set of algebraic equations, the so-called multipartite separability eigenvalue equations. Based on their solutions, we introduce a universal method…”
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2
Quasiprobability distributions for quantum-optical coherence and beyond
Published in Physica scripta (07-02-2020)“…We study the quasiprobability representation of quantum light, as introduced by Glauber and Sudarshan, for the unified characterization of quantum phenomena…”
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3
Atmospheric Quantum Channels with Weak and Strong Turbulence
Published in Physical review letters (26-08-2016)“…The free-space transfer of high-fidelity optical signals between remote locations has many applications, including both classical and quantum communication,…”
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4
PET Imaging of Tau Deposition in the Aging Human Brain
Published in Neuron (Cambridge, Mass.) (02-03-2016)“…Tau pathology is a hallmark of Alzheimer’s disease (AD) but also occurs in normal cognitive aging. Using the tau PET agent 18F-AV-1451, we examined retention…”
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5
Convex ordering and quantification of quantumness
Published in Physica scripta (01-07-2015)“…The characterization of physical systems requires a comprehensive understanding of quantum effects. One aspect is a proper quantification of the strength of…”
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6
Toward global quantum communication: beam wandering preserves nonclassicality
Published in Physical review letters (01-06-2012)“…Tap-proof long-distance quantum communication requires a deep understanding of the strong losses in transmission channels. Here we provide a rigorous treatment…”
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7
Inseparability criteria for continuous bipartite quantum states
Published in Physical review letters (02-12-2005)“…We provide necessary and sufficient conditions for the partial transposition of bipartite harmonic quantum states to be nonnegative. The conditions are…”
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8
B1 mapping by Bloch-Siegert shift
Published in Magnetic resonance in medicine (01-05-2010)“…A novel method for amplitude of radiofrequency field (B 1+) mapping based on the Bloch‐Siegert shift is presented. Unlike conventionally applied double‐angle…”
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9
Numerical Construction of Multipartite Entanglement Witnesses
Published in Physical review. X (20-08-2018)“…Entanglement in multipartite systems is a key resource for quantum information and communication protocols, making its verification in complex systems a…”
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10
Full multipartite entanglement of frequency-comb Gaussian states
Published in Physical review letters (06-02-2015)“…An analysis is conducted of the multipartite entanglement for Gaussian states generated by the parametric down-conversion of a femtosecond frequency comb…”
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11
Biomarker-Based Prediction of Longitudinal Tau Positron Emission Tomography in Alzheimer Disease
Published in JAMA neurology (01-02-2022)“…There is currently no consensus as to which biomarkers best predict longitudinal tau accumulation at different clinical stages of Alzheimer disease (AD). To…”
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12
Pre-Clinical Diastolic Dysfunction
Published in Journal of the American College of Cardiology (11-02-2014)“…Pre-clinical diastolic dysfunction (PDD) has been broadly defined as left ventricular diastolic dysfunction without the diagnosis of congestive heart failure…”
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13
A molecular gradient along the longitudinal axis of the human hippocampus informs large-scale behavioral systems
Published in Nature communications (19-02-2020)“…The functional organization of the hippocampus is distributed as a gradient along its longitudinal axis that explains its differential interaction with diverse…”
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14
Existing Pittsburgh Compound-B positron emission tomography thresholds are too high: statistical and pathological evaluation
Published in Brain (London, England : 1878) (01-07-2015)“…Amyloid-β, a hallmark of Alzheimer's disease, begins accumulating up to two decades before the onset of dementia, and can be detected in vivo applying…”
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15
Sub-binomial light
Published in Physical review letters (31-08-2012)“…The click statistics from on-off detector systems is quite different from the counting statistics of the more traditional detectors. This necessitates the…”
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16
Multipartite Entanglement of a Two-Separable State
Published in Physical review letters (09-09-2016)“…We consider a six-partite, continuous-variable quantum state that we have effectively generated by the parametric down-conversion of a femtosecond frequency…”
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17
Imaging in head and neck cancers: Update for non-radiologist
Published in Oral oncology (01-09-2021)“…•Overview of the cross-sectional imaging modalities used in the evaluation of head and neck cancer.•Role of imaging in patients with head and neck…”
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18
Connectome-based modelling of neurodegenerative diseases: towards precision medicine and mechanistic insight
Published in Nature reviews. Neuroscience (2023)“…Neurodegenerative diseases are the most common cause of dementia. Although their underlying molecular pathologies have been identified, there is substantial…”
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19
Aging Affects Dopaminergic Neural Mechanisms of Cognitive Flexibility
Published in The Journal of neuroscience (14-12-2016)“…Aging is accompanied by profound changes in the brain's dopamine system that affect cognitive function. Evidence of powerful individual differences in…”
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20
Incomplete Detection of Nonclassical Phase-Space Distributions
Published in Physical review letters (09-02-2018)“…We implement the direct sampling of negative phase-space functions via unbalanced homodyne measurement using click-counting detectors. The negativities…”
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