<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:sy="http://purl.org/rss/1.0/modules/syndication/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/" > <channel> <title>Untitled - Chair for Quantum Theory</title> <atom:link href="https://www.quantumtheory.nat.fau.eu/feed/" rel="self" type="application/rss+xml" /> <link>https://www.quantumtheory.nat.fau.eu</link> <description></description> <lastBuildDate>Tue, 05 Nov 2024 14:40:43 +0000</lastBuildDate> <language>en-GB</language> <sy:updatePeriod> hourly </sy:updatePeriod> <sy:updateFrequency> 1 </sy:updateFrequency> <generator>https://wordpress.org/?v=6.7</generator> <image> <url>https://www.quantumtheory.nat.fau.eu/files/2016/09/cropped-Wigner2-2-32x32.png</url> <title>Untitled - Chair for Quantum Theory</title> <link>https://www.quantumtheory.nat.fau.eu</link> <width>32</width> <height>32</height> </image> <item> <title>Pre-print “Shot-noise reduction for lattice Hamiltonians”</title> <link>https://www.quantumtheory.nat.fau.eu/2024/11/05/pre-print-shot-noise-reduction-for-lattice-hamiltonians/</link> <dc:creator><![CDATA[Timo Eckstein]]></dc:creator> <pubDate>Tue, 05 Nov 2024 14:40:43 +0000</pubDate> <category><![CDATA[Allgemein]]></category> <category><![CDATA[News]]></category> <guid isPermaLink="false">https://www.quantumtheory.nat.fau.eu/?p=2561</guid> <description><![CDATA[In our recent work, by Timo Eckstein, Refik Mansuroglu, Stefan Wolf, Ludwig Nützel, Stephan Tasler, Martin Kliesch, and Michael J. Hartmann, that has just been published as a preprint: https://arxiv.org/abs/2410.21251, we present an energy estimation technique that is tailored to quantum lattices systems to obtain particularly efficient readout circuits yielding...]]></description> <content:encoded><![CDATA[<p>In our recent work, by Timo Eckstein, Refik Mansuroglu, Stefan Wolf, Ludwig Nützel, Stephan Tasler, Martin Kliesch, and Michael J. Hartmann, that has just been published as a preprint: https://arxiv.org/abs/2410.21251, we present an energy estimation technique that is tailored to quantum lattices systems to obtain particularly efficient readout circuits yielding a guaranteed sampling noise…</p> <p><a href="https://www.quantumtheory.nat.fau.eu/2024/11/05/pre-print-shot-noise-reduction-for-lattice-hamiltonians/" rel="nofollow">Source</a></p>]]></content:encoded> </item> <item> <title>Work featured in IOP’s retrospective high-impact research</title> <link>https://www.quantumtheory.nat.fau.eu/2024/10/23/work-featured-in-iops-retrospective-high-impact-research/</link> <dc:creator><![CDATA[Lucas Marti]]></dc:creator> <pubDate>Wed, 23 Oct 2024 12:06:49 +0000</pubDate> <category><![CDATA[Allgemein]]></category> <category><![CDATA[News]]></category> <guid isPermaLink="false">https://www.quantumtheory.nat.fau.eu/?p=2492</guid> <description><![CDATA[“Variational Hamiltonian simulation for translational invariant systems via classical pre-processing, a work published in 2023 in Quantum Science and Technology by our former PhD student Refik Mansuroglu (now at Universität Wien), with contributions from Timo Eckstein, Ludwig Nützel, and Sam Wilkinson, has been featured in IOP’s retrospective list of high-impact...]]></description> <content:encoded><![CDATA[<p>“Variational Hamiltonian simulation for translational invariant systems via classical pre-processing, a work published in 2023 in Quantum Science and Technology by our former PhD student Refik Mansuroglu (now at Universität Wien), with contributions from Timo Eckstein, Ludwig Nützel, and Sam Wilkinson, has been featured in IOP’s retrospective list of high-impact German research…</p> <p><a href="https://www.quantumtheory.nat.fau.eu/2024/10/23/work-featured-in-iops-retrospective-high-impact-research/" rel="nofollow">Source</a></p>]]></content:encoded> </item> <item> <title>Theoretische Physik 4: Statistische Physik (TP-4) — Winter Semester 24/25</title> <link>https://www.quantumtheory.nat.fau.eu/2024/10/16/theoretische-physik-4-statistische-physik-tp-4-winter-semester-24-25/</link> <dc:creator><![CDATA[Lucas Marti]]></dc:creator> <pubDate>Wed, 16 Oct 2024 09:52:40 +0000</pubDate> <category><![CDATA[Allgemein]]></category> <guid isPermaLink="false">https://www.quantumtheory.nat.fau.eu/?p=2480</guid> <description><![CDATA[Lecture, Winter Semester 2024-2025, Tuesdays 10.15 in lecture theater E (HE), see Campo. You can find more information on the StudOn page https://www.studon.fau.de/campo/course/407779]]></description> <content:encoded><![CDATA[<p>Lecture, Winter Semester 2024-2025, Tuesdays 10.15 in lecture theater E (HE), see Campo. You can find more information on the StudOn page https://www.studon.fau.de/campo/course/407779…</p> <p><a href="https://www.quantumtheory.nat.fau.eu/2024/10/16/theoretische-physik-4-statistische-physik-tp-4-winter-semester-24-25/" rel="nofollow">Source</a></p>]]></content:encoded> </item> <item> <title>Publication in NPJ Quantum Information: “Large-scale simulations of Floquet physics on near-term quantum computers”</title> <link>https://www.quantumtheory.nat.fau.eu/2024/09/13/publication-in-npj-quantum-information-large-scale-simulations-of-floquet-physics-on-near-term-quantum-computers/</link> <dc:creator><![CDATA[Timo Eckstein]]></dc:creator> <pubDate>Fri, 13 Sep 2024 13:54:40 +0000</pubDate> <category><![CDATA[Allgemein]]></category> <category><![CDATA[News]]></category> <guid isPermaLink="false">https://www.quantumtheory.nat.fau.eu/?p=2465</guid> <description><![CDATA[In our recent work, by Timo Eckstein, Refik Mansuroglu, Piotr Czarnik, Jian-Xin Zhu, Hartmann Michael, Lukasz Cincio, Andrew Sornborger and Zoë Holmes, that was published just today in Nature Partner Journal Quantum Information, we present an algorithm to simulate periodically time-dependent Hamiltonian dynamics leveraging insights from Floquet theory to be...]]></description> <content:encoded><![CDATA[<p>In our recent work, by Timo Eckstein, Refik Mansuroglu, Piotr Czarnik, Jian-Xin Zhu, Hartmann Michael, Lukasz Cincio, Andrew Sornborger and Zoë Holmes, that was published just today in Nature Partner Journal Quantum Information, we present an algorithm to simulate periodically time-dependent Hamiltonian dynamics leveraging insights from Floquet theory to be able to re-use tme-independent…</p> <p><a href="https://www.quantumtheory.nat.fau.eu/2024/09/13/publication-in-npj-quantum-information-large-scale-simulations-of-floquet-physics-on-near-term-quantum-computers/" rel="nofollow">Source</a></p>]]></content:encoded> </item> <item> <title>Qiskit tutorials released to the public</title> <link>https://www.quantumtheory.nat.fau.eu/2024/08/29/qiskit-tutorials-released-to-the-public/</link> <dc:creator><![CDATA[Lucas Marti]]></dc:creator> <pubDate>Thu, 29 Aug 2024 14:15:38 +0000</pubDate> <category><![CDATA[Allgemein]]></category> <category><![CDATA[News]]></category> <guid isPermaLink="false">https://www.quantumtheory.nat.fau.eu/?p=2461</guid> <description><![CDATA[During the 2023-2024 winter semester’s course on quantum computing given by Prof. Hartmann, students were able to participate in an optional series of tutorials on the Qiskit package, which allows them to build quantum circuits, and then either simulate them on their computers, or run them on IBM’s public quantum...]]></description> <content:encoded><![CDATA[<p>During the 2023-2024 winter semester’s course on quantum computing given by Prof. Hartmann, students were able to participate in an optional series of tutorials on the Qiskit package, which allows them to build quantum circuits, and then either simulate them on their computers, or run them on IBM’s public quantum hardware. These tutorials are now freely available on Github to everyone interested…</p> <p><a href="https://www.quantumtheory.nat.fau.eu/2024/08/29/qiskit-tutorials-released-to-the-public/" rel="nofollow">Source</a></p>]]></content:encoded> </item> <item> <title>New pre-print “Solving an Industrially Relevant Quantum Chemistry Problem on Quantum Hardware”</title> <link>https://www.quantumtheory.nat.fau.eu/2024/08/21/industrially-relevant-quantum-chemistry-problem/</link> <dc:creator><![CDATA[Lucas Marti]]></dc:creator> <pubDate>Wed, 21 Aug 2024 10:22:51 +0000</pubDate> <category><![CDATA[Allgemein]]></category> <category><![CDATA[News]]></category> <category><![CDATA[Publication]]></category> <guid isPermaLink="false">https://www.quantumtheory.nat.fau.eu/?p=2456</guid> <description><![CDATA[Simulation of quantum chemical problems is one of the most promising avenues to practical quantum advantage. However, it remains a challenge on contemporary quantum computers without error correction to reach the required ‘chemical accuracy’. Prior works have therefore focussed on very simple molecules for proof-of-principle demonstrations. Now, a collaboration of...]]></description> <content:encoded><![CDATA[<p>Simulation of quantum chemical problems is one of the most promising avenues to practical quantum advantage. However, it remains a challenge on contemporary quantum computers without error correction to reach the required ‘chemical accuracy’. Prior works have therefore focussed on very simple molecules for proof-of-principle demonstrations. Now, a collaboration of chemists and physicists have…</p> <p><a href="https://www.quantumtheory.nat.fau.eu/2024/08/21/industrially-relevant-quantum-chemistry-problem/" rel="nofollow">Source</a></p>]]></content:encoded> </item> <item> <title>New pre-print “Quantum Convolutional Neural Network for Phase Recognition in Two Dimensions”</title> <link>https://www.quantumtheory.nat.fau.eu/2024/07/15/new-pre-print-quantum-convolutional-neural-network-for-phase-recognition-in-two-dimensions/</link> <dc:creator><![CDATA[Lucas Marti]]></dc:creator> <pubDate>Mon, 15 Jul 2024 07:34:29 +0000</pubDate> <category><![CDATA[Allgemein]]></category> <category><![CDATA[News]]></category> <category><![CDATA[Publication]]></category> <guid isPermaLink="false">https://www.quantumtheory.nat.fau.eu/?p=2405</guid> <description><![CDATA[In our new pre-print, we introduce the first Quantum Convolutional Neural Network for 2D systems, in order to study the phase transition of the Toric Code. Our circuit robustly identifies the transition from the topological to the paramagnetic phase up to a certain incoherent noise strength.]]></description> <content:encoded><![CDATA[<p>In our new pre-print, we introduce the first Quantum Convolutional Neural Network for 2D systems, in order to study the phase transition of the Toric Code. Our circuit robustly identifies the transition from the topological to the paramagnetic phase up to a certain incoherent noise strength.</p> <p><a href="https://www.quantumtheory.nat.fau.eu/2024/07/15/new-pre-print-quantum-convolutional-neural-network-for-phase-recognition-in-two-dimensions/" rel="nofollow">Source</a></p>]]></content:encoded> </item> <item> <title>New pre-print “Efficient Quantum Cooling Algorithm for Fermionic Systems”</title> <link>https://www.quantumtheory.nat.fau.eu/2024/03/22/new-pre-print-efficient-quantum-cooling-algorithm-for-fermionic-systems/</link> <dc:creator><![CDATA[Lucas Marti]]></dc:creator> <pubDate>Fri, 22 Mar 2024 14:49:36 +0000</pubDate> <category><![CDATA[Allgemein]]></category> <category><![CDATA[News]]></category> <category><![CDATA[Publication]]></category> <guid isPermaLink="false">https://www.quantumtheory.nat.fau.eu/?p=2362</guid> <description><![CDATA[In our new pre-print, we present the low-energy subspace cooling algorithm for finding the ground state of fermionic Hamiltonians. We derive adequate couplings between the system and an ancillary fridge without assuming prior knowledge about the spectrum and excitations of the system. Our algorithm proves to be efficient in cases...]]></description> <content:encoded><![CDATA[<p>In our new pre-print, we present the low-energy subspace cooling algorithm for finding the ground state of fermionic Hamiltonians. We derive adequate couplings between the system and an ancillary fridge without assuming prior knowledge about the spectrum and excitations of the system. Our algorithm proves to be efficient in cases where alternative methods are unsuccessful.</p> <p><a href="https://www.quantumtheory.nat.fau.eu/2024/03/22/new-pre-print-efficient-quantum-cooling-algorithm-for-fermionic-systems/" rel="nofollow">Source</a></p>]]></content:encoded> </item> <item> <title>New pre-print “Quantum Tensor Product Decomposition from Choi State Tomography”</title> <link>https://www.quantumtheory.nat.fau.eu/2024/02/08/new-pre-print-quantum-tensor-product-decomposition-from-choi-state-tomography/</link> <dc:creator><![CDATA[Refik Mansuroglu]]></dc:creator> <pubDate>Thu, 08 Feb 2024 10:41:25 +0000</pubDate> <category><![CDATA[Allgemein]]></category> <category><![CDATA[News]]></category> <category><![CDATA[Publication]]></category> <guid isPermaLink="false">https://www.quantumtheory.nat.fau.eu/?p=2315</guid> <description><![CDATA[In our new pre-print, we study the entangling features of a unitary quantum operation using its operator-Schmidt, or tensor product decomposition. We present an algorithm for unbalanced partitions into a small subsystem and a large one (the environment) that computes the tensor product decomposition of a unitary whose effect on...]]></description> <content:encoded><![CDATA[<p>In our new pre-print, we study the entangling features of a unitary quantum operation using its operator-Schmidt, or tensor product decomposition. We present an algorithm for unbalanced partitions into a small subsystem and a large one (the environment) that computes the tensor product decomposition of a unitary whose effect on the small subsystem is captured in classical memory while the effect…</p> <p><a href="https://www.quantumtheory.nat.fau.eu/2024/02/08/new-pre-print-quantum-tensor-product-decomposition-from-choi-state-tomography/" rel="nofollow">Source</a></p>]]></content:encoded> </item> <item> <title>New Pre-Print “Highly Efficient Encoding for Job-Shop Scheduling Problems and its Application on Quantum Computers”</title> <link>https://www.quantumtheory.nat.fau.eu/2024/01/30/new-pre-print-highly-efficient-encoding-for-job-shop-scheduling-problems-and-its-application-on-quantum-computers/</link> <dc:creator><![CDATA[Refik Mansuroglu]]></dc:creator> <pubDate>Tue, 30 Jan 2024 16:54:54 +0000</pubDate> <category><![CDATA[Allgemein]]></category> <category><![CDATA[News]]></category> <category><![CDATA[Publication]]></category> <guid isPermaLink="false">https://www.quantumtheory.nat.fau.eu/?p=2290</guid> <description><![CDATA[Combinatorial optimization problems are regarded as a promising use case for quantum computing. One such problem, which is of paramount relevance in industry, computation, and economics, is (flexible) job shop scheduling. It considers a set of jobs of varying processing times and seeks to schedule them on a set of...]]></description> <content:encoded><![CDATA[<p>Combinatorial optimization problems are regarded as a promising use case for quantum computing. One such problem, which is of paramount relevance in industry, computation, and economics, is (flexible) job shop scheduling. It considers a set of jobs of varying processing times and seeks to schedule them on a set of machines and/or operators with varying processing capabilities such that the…</p> <p><a href="https://www.quantumtheory.nat.fau.eu/2024/01/30/new-pre-print-highly-efficient-encoding-for-job-shop-scheduling-problems-and-its-application-on-quantum-computers/" rel="nofollow">Source</a></p>]]></content:encoded> </item> </channel> </rss>