Stefan Weigert

Search results

• 2023

  A Quantum Theory with Non-collapsing Measurements

  Fiorentino, V. & Weigert, S., 23 Mar 2023.

  Research output: Working paper › Preprint

  File
• 2022

  Uncertainty relations for the support of quantum states

  Fiorentino, V. & Weigert, S., 19 Dec 2022, In: Journal of Physics A: Mathematical and Theoretical. 55, 49, 23 p., 495305.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
• 2021

  General Probabilistic Theories with a Gleason-type Theorem

  Wright, V. J. & Weigert, S., 25 Nov 2021, In: Quantum. 5, 34 p., 588.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• "Herr Johannes Körmözzi aus Siebenbürgen hat meine sämtlichen Vorlesungen [...] mit unausgeseztem Fleiße besucht" - Aufzeichnungen des ungarischen Studenten János Körmöczi nach Georg Christoph Lichtenbergs Physik-Vorlesung im Jahr1796“

  Gurka, D. & Weigert, S. L. O., 2021, Lichtenberg-Jahrbuch 2020. Joost, U., Moennighoff, B. & Spicker, F. (eds.). Heidelberg, p. 143-157 15 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• 2020

  Correction to: Gleason-Type Theorems from Cauchy’s Functional Equation

  Wright, V. & Weigert, S., 1 May 2020, In: Foundations of Physics. 50, p. 511-514 4 p.

  Research output: Contribution to journal › Article › peer-review

• Optimal Detection of Rotations about Unknown Axes by Coherent and Anticoherent States

  Martin, J., Weigert, S. & Giraud, O., 22 Jun 2020, In: Quantum. 4, 18 p., 285.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• Paul Busch: Contributions to Quantum Theory

  Colbeck, R., Loveridge, L. & Weigert, S., 1 Oct 2020, In: Journal of Physics: Conference Series. 1638, 1, 8 p., 012014.

  Research output: Contribution to journal › Conference article

  Open Access
• 2019

  A Gleason-type theorem for qubits based on mixtures of projective measurements

  Weigert, S. L. O. & Wright, V. J., 10 Jan 2019, In: Journal of Physics A: Mathematical and Theoretical. 52, 5, 19 p., 055301.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• Gleason-Type Theorems from Cauchy’s Functional Equation

  Wright, V. J. & Weigert, S., 15 Jun 2019, In: Foundations of Physics. 49, 6, p. 594-606 13 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
• 2018

  "wozu nüzten dan die Fabeln“ - Georg Christoph Lichtenbergs "Drey Prosaische Fabeln“

  Weigert, S. L. O., Jul 2018, Lichtenberg-Jahrbuch 2017. Joost, U., Moennighoff, B. & Spicker, F. (eds.). Heidelberg, p. 71 28 p.

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

• 2017

  Geometry of Uncertainty Relations for Linear Combinations of Position and Momentum

  Kechrimparis, S. & Weigert, S. L. O., 11 Dec 2017, In: Journal of Physics A: Mathematical and Theoretical. 51, 2, 18 p., 025303.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
• 2016

  Der Konjunktiv in Georg Christoph Lichtenbergs naturwissenschaftlichen Schriften

  Translated title of the contribution: The subjuntive in the scientific writings of Georg Christoph LichtenbergWeigert, S. L. O., 2016, Lichtenberg-Jahrbuch 2014. Joost, U., Moennighoff, B. & Spicker, F. (eds.). Heidelberg, p. 7-32

  Research output: Chapter in Book/Report/Conference proceeding › Chapter

  Open Access

  File

• Friction causing unpredictability

  Oldham, J. & Weigert, S., 29 Mar 2016, In: Journal of Physics A: Mathematical and Theoretical. 49, 12, 11 p., 125102.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• Mutually Unbiased Product Bases for Multiple Qudits

  McNulty, D., Pammer, B. & Weigert, S., Mar 2016, In: Journal of Mathematical Physics. 57, 3, 12 p., 032202.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• Preparational Uncertainty Relations for N Continuous Variables

  Kechrimparis, S. & Weigert, S., 19 Jul 2016, In: Mathematics. p. 1-17 17 p.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

• Universality in Uncertainty Relations for a Quantum Particle

  Kechrimparis, S. & Weigert, S., 8 Aug 2016, In: Journal of Physics A: Mathematical and Theoretical. 49, 35, 23 p., 355303.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File
• 2014

  Heisenberg uncertainty relation for three canonical observables

  Kechrimparis, S. & Weigert, S., 15 Dec 2014, In: Physical Review A (Atomic, Molecular and Optical Physics). 90, 6, 5 p., 062118.

  Research output: Contribution to journal › Article › peer-review
• 2012

  All Mutually Unbiased Product Bases in Dimension 6

  McNulty, D. & Weigert, S., 6 Apr 2012, In: J. Phys. A: Math. Theor.. 45, 13, 22 p., 135307.

  Research output: Contribution to journal › Article › peer-review

• Isolated Hadamard Matrices from Mutually Unbiased Product Bases

  McNulty, D. & Weigert, S., Nov 2012, In: Journal of Mathematical Physics. 53, 2, 16 p., 122202.

  Research output: Contribution to journal › Article › peer-review

• On the Impossibility to Extend Triples of Mutually Unbiased Product Bases in Dimension Six

  McNulty, D. & Weigert, S., 11 Sept 2012, In: INTERNATIONAL JOURNAL OF QUANTUM INFORMATION. 10, 5, 12 p., 1250056.

  Research output: Contribution to journal › Article › peer-review

• The Limited Role of Mutually Unbiased Product Bases in Dimension 6

  McNulty, D. & Weigert, S., 16 Feb 2012, In: Journal of Physics A: Mathematical and Theoretical. 45, 10, 5 p., 102001.

  Research output: Contribution to journal › Article › peer-review
• 2010

  Affine Constellations without Mutually Unbiased Counterparts

  Weigert, S. & Durt, T., 8 Oct 2010, In: Journal of Physics A: Mathematical and Theoretical. 43, 40, p. 1-6 6 p., 402002.

  Research output: Contribution to journal › Article › peer-review

• All Mutually Unbiased Bases in Dimensions Two to Five

  Brierley, S., Weigert, S. & Bengtsson, I., 1 Sept 2010, In: Quant. Inf. Comp.. 10, 9&10, p. 0803-0820 18 p.

  Research output: Contribution to journal › Article › peer-review

• Mutually Unbiased Bases and Semi-definite Programming

  Brierley, S. & Weigert, S., 1 Dec 2010, In: J. Phys.: Conf. Ser.. 254, 1, 11 p., 012008.

  Research output: Contribution to journal › Article › peer-review
• 2009

  Constructing Mutually Unbiased Bases in Dimension Six

  Brierley, S. & Weigert, S., 1 May 2009, In: Physical Review A. 79, 5, 13 p., 052316.

  Research output: Contribution to journal › Article › peer-review
• 2008

  Maximal Sets of Mutually Unbiased Quantum States in Dimension Six

  Brierley, S. & Weigert, S., 13 Oct 2008, In: Physical Review A. 78, 4, 8 p., 042312.

  Research output: Contribution to journal › Article › peer-review

• Mutually Unbiased Bases for Continuous Variables

  Weigert, S. & Wilkinson, M., 29 Aug 2008, In: Physical Review A. 78, 2, 4 p., 020303.

  Research output: Contribution to journal › Article › peer-review
• 2007

  Upper quantum Lyapunov Exponent and Anosov relations for quantum systems driven by a classical flow

  Jauslin, H. R., Sapin, O. & Weigert, S., May 2007, In: J Stat. Phys.. 127, 4, p. 699-719 21 p.

  Research output: Contribution to journal › Article › peer-review
• 2006

  An algorithmic test for diagonalizability of finite-dimensional PT-invariant systems

  Weigert, S., 6 Jan 2006, In: Journal of Physics A: Mathematical and General. 39, 1, p. 235-245 10 p.

  Research output: Contribution to journal › Article › peer-review

  File

• Detecting broken PT-symmetry

  Weigert, S., 11 Aug 2006, In: Journal of Physics A: Mathematical and General. 39, 32, p. 10239-10246 8 p.

  Research output: Contribution to journal › Article › peer-review

  File

• Simple Minimal Informationaly Complete Measurements for Qudits

  Weigert, S., 20 May 2006, In: International journal of modern physics B. 20, 11-13, p. 1942-1955 14 p.

  Research output: Contribution to journal › Article › peer-review
• 2005

  How to test for diagonalizability: the discretized PT-invariant square-well potential

  Weigert, S., Sept 2005, In: Czechoslovak journal of physics. 55, 9, p. 1183-1186 4 p.

  Research output: Contribution to journal › Article › peer-review
• 2004

  Expanding Hermitian operators in a basis of projectors on coherent spin states

  Weigert, S., Dec 2004, In: Journal of Optics B: Quantum and Semiclassical Optics. 6, 12, p. 489-490 1 p.

  Research output: Contribution to journal › Article › peer-review

  File

• Quantum correlation games

  Iqbal, A. & Weigert, S., 4 Jun 2004, In: Journal of Physics A: Mathematical and General. 37, 22, p. 5873-5885 12 p.

  Research output: Contribution to journal › Article › peer-review

  File

• The Gram Matrix of a PT-symmetric Quantum System

  Weigert, S., Jan 2004, In: Czech J. Phys.. 54, 1, p. 147-49 3 p.

  Research output: Contribution to journal › Article › peer-review

• The Physical Interpretation of PT-invariant Potentials

  Weigert, S., Oct 2004, In: Czech J. Phys.. 54, 10, p. 1139-1142 4 p.

  Research output: Contribution to journal › Article › peer-review
• 2003

  A quantum search for zeros of polynomials

  Weigert, S., Dec 2003, In: Journal of Optics B: Quantum and Semiclassical Optics. 5, 6, p. S586-S588

  Research output: Contribution to journal › Article › peer-review

  File

• Completeness and orthonormality in PT-symmetric quantum systems

  Weigert, S., Dec 2003, In: Physical Review A. 68, 6, p. art no. 062111 4 p.

  Research output: Contribution to journal › Article › peer-review

  File

• Lüders Theorem for Coherent-State POVMs

  Busch, P. & Weigert, S., Dec 2003, In: J. Phys. A: Math. Theor.. 44, 12, p. 5474-5486 13 p.

  Research output: Contribution to journal › Article › peer-review

• PT-symmetry and its spontaneous breakdown explained by anti-linearity

  Weigert, S., Jun 2003, In: Journal of Optics B: Quantum and Semiclassical Optics. 5, 3, p. S416-S419 4 p.

  Research output: Contribution to journal › Article › peer-review

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• The Quantum Way to Diagonalize Hermitean Matrices

  Weigert, S., Mar 2003, In: Fortschritte der Physik. 51, 2-3, p. 249-54 6 p.

  Research output: Contribution to journal › Article › peer-review
• 2002

  Commensurate harmonic oscillators: classical symmetries

  Amiet, J.-P. & Weigert, S., Aug 2002, In: Journal of Mathematical Physics. 43, 8, p. 4110-4126 16 p.

  Research output: Contribution to journal › Article › peer-review

• Quantum parametric resonance

  Weigert, S., 10 May 2002, In: Journal of Physics A: Mathematical and General. 35, 18, p. 4169-4181 12 p.

  Research output: Contribution to journal › Article › peer-review

  File
• 2001

  Contracting the Wigner kernel of a spin to the Wigner kernel of a particle

  Amiet, J.-P. & Weigert, S., Jan 2001, In: Physical Review A. 63, 1, p. art no. 012102

  Research output: Contribution to journal › Article › peer-review

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• Discrete Moyal-type representations for a spin

  Heiss, S. & Weigert, S., Jan 2001, In: Physical Review A. 63, 1, p. art no. 012105 11 p.

  Research output: Contribution to journal › Article › peer-review

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• Quantum diagonalization of Hermitean matrices

  Weigert, S., 13 Jul 2001, In: Journal of Physics A: Mathematical and General. 34, 27, p. 5619-5624 5 p.

  Research output: Contribution to journal › Article › peer-review

  File
• 2000

  Discrete Q- and P-symbols for spin s

  Amiet, J.-P. & Weigert, S., Apr 2000, In: Journal of Optics B: Quantum and Semiclassical Optics. 2, 2, p. 118-121 3 p.

  Research output: Contribution to journal › Article › peer-review

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• Quantum time evolution in terms of nonredundant probabilities

  Weigert, S., 31 Jan 2000, In: Physical Review Letters. 84, 5, p. 802-805 3 p.

  Research output: Contribution to journal › Article › peer-review

  File
• 1999

  Coherent states and the reconstruction of pure spin states

  Weigert, S. & Amiet, J.-P., Oct 1999, In: Journal of Optics B: Quantum and Semiclassical Optics. 1, 5, p. L5-L8 4 p.

  Research output: Contribution to journal › Article › peer-review

  File

• Gauge transformations for a driven quantum particle in an infinite square well

  Weigert, S., Nov 1999, In: Foundations of Physics. 29, 11, p. 1785-1805 20 p.

  Research output: Contribution to journal › Article › peer-review

  File