Karlsruhe, Baden-Württemberg, Deutschland
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Aktivitäten
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Thrilled to share that QC Design has been selected by the European Innovation Council and SMEs Executive Agency (EISMEA) in its prestigious EIC…
Thrilled to share that QC Design has been selected by the European Innovation Council and SMEs Executive Agency (EISMEA) in its prestigious EIC…
Beliebt bei Michael Marthaler
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It has been an amazing 5+ years at QC Ware Corp., witnessing the #quantumcomputing family grow from literally a handful of software and hardware…
It has been an amazing 5+ years at QC Ware Corp., witnessing the #quantumcomputing family grow from literally a handful of software and hardware…
Beliebt bei Michael Marthaler
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𝗦𝗲𝗰𝗼𝗻𝗱 𝗿𝗼𝘂𝗻𝗱 𝗼𝗳 𝘁𝗵𝗲 𝗛𝗤𝗦𝘁𝗮𝗴𝗲 𝗜𝗻𝘀𝘁𝗮𝗹𝗹𝗮𝘁𝗶𝗼𝗻 & 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀 𝘄𝗲𝗯𝗶𝗻𝗮𝗿. ✨ Tomorrow you have another…
𝗦𝗲𝗰𝗼𝗻𝗱 𝗿𝗼𝘂𝗻𝗱 𝗼𝗳 𝘁𝗵𝗲 𝗛𝗤𝗦𝘁𝗮𝗴𝗲 𝗜𝗻𝘀𝘁𝗮𝗹𝗹𝗮𝘁𝗶𝗼𝗻 & 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀 𝘄𝗲𝗯𝗶𝗻𝗮𝗿. ✨ Tomorrow you have another…
Beliebt bei Michael Marthaler
Berufserfahrung und Ausbildung
Bescheinigungen und Zertifikate
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Entrepreneurship for Researchers
HECTOR School of Engineering & Management
Veröffentlichungen
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Distortion of a reduced equilibrium density matrix: influence on quantum emulation
Phys. Rev. B 93, 014305 (2016)
We study a system coupled to external degrees of freedom, called bath, where we assume that the total system consisting of system and bath is in equilibrium. An expansion in the coupling between system and bath leads to a general form of the reduced density matrix of the system as a function of the bath self energy. The coupling to the bath results in a renormalization of the energies of the system and in a change of the eigenbasis. This theory is applicable to quantum emulators in thermal…
We study a system coupled to external degrees of freedom, called bath, where we assume that the total system consisting of system and bath is in equilibrium. An expansion in the coupling between system and bath leads to a general form of the reduced density matrix of the system as a function of the bath self energy. The coupling to the bath results in a renormalization of the energies of the system and in a change of the eigenbasis. This theory is applicable to quantum emulators in thermal equilibrium. Undesired external degrees of freedom can affect their reliability. We study the influence of bosonic degrees of freedom on the state of a six qubit system.
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Implementation of a quantum metamaterial using superconducting qubits
Nature Communications 5, 5146 (2014)
The key issue for the implementation of a metamaterial is to demonstrate the existence of collective modes corresponding to coherent oscillations of the meta-atoms. Atoms of natural materials interact with electromagnetic fields as quantum two-level systems. Artificial quantum two-level systems can be made, for example, using superconducting nonlinear resonators cooled down to their ground state. Here we perform an experiment in which 20 of these quantum meta-atoms, so-called flux qubits, are…
The key issue for the implementation of a metamaterial is to demonstrate the existence of collective modes corresponding to coherent oscillations of the meta-atoms. Atoms of natural materials interact with electromagnetic fields as quantum two-level systems. Artificial quantum two-level systems can be made, for example, using superconducting nonlinear resonators cooled down to their ground state. Here we perform an experiment in which 20 of these quantum meta-atoms, so-called flux qubits, are embedded into a microwave resonator. We observe the dispersive shift of the resonator frequency imposed by the qubit metamaterial and the collective resonant coupling of eight qubits. The realized prototype represents a mesoscopic limit of naturally occurring spin ensembles and as such we demonstrate the AC-Zeeman shift of a resonant qubit ensemble. The studied system constitutes the implementation of a basic quantum metamaterial in the sense that many artificial atoms are coupled collectively to the quantized mode of a photon field.
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Summary
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More than 60 papers published, including in high impact journals like Nature, Nature Communications, Physical Review X and Physical Review Letters.
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German
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English
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Weitere Aktivitäten von Michael Marthaler
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Yesterday I was at the new CMA CGM Group Center of Excellence, Tangram. In this exceptional place created to allow the Group to develop skills and…
Yesterday I was at the new CMA CGM Group Center of Excellence, Tangram. In this exceptional place created to allow the Group to develop skills and…
Beliebt bei Michael Marthaler
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Ready to simplify chemical simulations and revolutionize the selection of active spaces in molecules? HQS Quantum Simulations (HQS) introduces an…
Ready to simplify chemical simulations and revolutionize the selection of active spaces in molecules? HQS Quantum Simulations (HQS) introduces an…
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📣 Sind Sie bereit für eine »Mahlzeit« aus einer Superposition des Frühstücks und des Mittagessens zugleich? Die Webinarreihe »Quantum Brunch« geht…
📣 Sind Sie bereit für eine »Mahlzeit« aus einer Superposition des Frühstücks und des Mittagessens zugleich? Die Webinarreihe »Quantum Brunch« geht…
Beliebt bei Michael Marthaler
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During the poster session of the International Workshop on Quantum Antimonide Research & Upscaling (IQARUS) in San Sebastian, Spain, nextnano GmbH's…
During the poster session of the International Workshop on Quantum Antimonide Research & Upscaling (IQARUS) in San Sebastian, Spain, nextnano GmbH's…
Beliebt bei Michael Marthaler
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#ICM24: Talk to our experts at the International Conference on Magnetism in Bologna. Join Dr. Benedikt Schönauer, Senior Expert - Model Quantum…
#ICM24: Talk to our experts at the International Conference on Magnetism in Bologna. Join Dr. Benedikt Schönauer, Senior Expert - Model Quantum…
Beliebt bei Michael Marthaler
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It’s solvation week! Today we want to highlight the SOLVATOR explicit solvation tool coming with ORCA 6 (FACCTs). Stay tuned for more teasers of new…
It’s solvation week! Today we want to highlight the SOLVATOR explicit solvation tool coming with ORCA 6 (FACCTs). Stay tuned for more teasers of new…
Beliebt bei Michael Marthaler
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A new era in simulation technology - be part of it. 📢 Mark your calendar for the HQStage webinar series. 📅 HQS Quantum Simulations is offering a…
A new era in simulation technology - be part of it. 📢 Mark your calendar for the HQStage webinar series. 📅 HQS Quantum Simulations is offering a…
Beliebt bei Michael Marthaler
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We have a great line up of webinars planned. Have a look!
We have a great line up of webinars planned. Have a look!
Geteilt von Michael Marthaler
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We are proud and excited to announce the ORCA 6 release date. #ORCA6release #ORCAqc #compchem
We are proud and excited to announce the ORCA 6 release date. #ORCA6release #ORCAqc #compchem
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Happy to share that our research paper "Reduction of finite sampling noise in quantum neural networks" has been accepted and published in Quantum! 🥳…
Happy to share that our research paper "Reduction of finite sampling noise in quantum neural networks" has been accepted and published in Quantum! 🥳…
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We are pleased to announce that nextnano GmbH has received a ZIM Innovation Study Grant from the Federal Ministry for Economic Affairs and Climate…
We are pleased to announce that nextnano GmbH has received a ZIM Innovation Study Grant from the Federal Ministry for Economic Affairs and Climate…
Beliebt bei Michael Marthaler
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This week Wednesday and Thursday, there was the ReAQCT quantum computing conference (https://www.reaqct.org/) in the Bosch Innovation Campus in…
This week Wednesday and Thursday, there was the ReAQCT quantum computing conference (https://www.reaqct.org/) in the Bosch Innovation Campus in…
Beliebt bei Michael Marthaler
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Michael J. Marthaler, MBA
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