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1 month ago | 
nature.com | Adam Clancy |Naitik A. Panjwani |Loren Picco |Alexander Eaton |Sascha Feldmann |Felix R. Fischer | +3 more
AbstractNanoribbons, nanometre-wide strips of a two-dimensional material, are a unique system in condensed matter. They combine the exotic electronic structures of low-dimensional materials with an enhanced number of exposed edges, where phenomena including ultralong spin coherence times1,2, quantum confinement3 and topologically protected states4,5 can emerge.
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Oct 26, 2024 | 
nature.com | Michele Masseroni |Archisman Panigrahi |Felix R. Fischer |Chuyao Tong |Jonas Gerber |Takashi Taniguchi | +4 more
AbstractVan der Waals heterostructures provide a versatile platform for tailoring electronic properties through the integration of two-dimensional materials. Among these combinations, the interaction between bilayer graphene and transition metal dichalcogenides (TMDs) stands out due to its potential for inducing spin–orbit coupling (SOC) in graphene.
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Aug 6, 2024 | 
pubs.acs.org | Felix R. Fischer |Anh Tuan |Anh Tuấn |Jae Yong |Vineeth Kumar
Recent advances in the bottom-up synthesis and processing of low-dimensional materials with highly tunable electronic properties have reignited the prospect of hybrid nanoelectronics. Combining the scalability of top-down fabrication with the atomically precise structure of bottom-up materials could one day supplant complementary metal-oxide-semiconductor (CMOS) technology as silicon approaches its physical limits.
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May 23, 2024 | 
science.org | Ziyi WANG |W. Brad Ruzicka |Chengyu Deng |Cindy Wen |Boyu Qie |Jingwei Jiang | +9 more
Research ArticleSURFACE SCIENCEBoyu Qie https://orcid.org/0000-0003-3552-7366, Ziyi Wang https://orcid.org/0000-0003-1049-5038, [...] , Jingwei Jiang https://orcid.org/0000-0002-0949-4401, Zisheng Zhang https://orcid.org/0000-0002-4370-4038, [...] , Peter H. Jacobse https://orcid.org/0000-0002-0777-6050, Jiaming Lu https://orcid.org/0009-0004-1569-8939, Xinheng Li, Fujia Liu https://orcid.org/0009-0005-8242-4281, Anastassia N. Alexandrova, [...] , Steven G.
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Oct 11, 2023 | 
link.aps.org | Friedrich-Alexander Universität Erlangen-Nürnberg |Felix R. Fischer |Michael J. Hartmann |Refik Mansuroglu
Nonequilibrium time evolution of large quantum systems is a strong candidate for quantum advantage. Variational quantum algorithms have been put forward for this task, but their quantum optimization routines suffer from trainability and sampling problems. Here, we present a classical preprocessing routine for variational Hamiltonian simulation that circumvents the need for a quantum optimization by expanding rigorous error bounds in a perturbative regime for suitable time steps.
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Oct 10, 2023 | 
biorxiv.org | Felix R. Fischer |David Fischer |Evan Biederstedt |Alexandra-Chloé Villani
AbstractIdentifying cellular identities (both novel and well-studied) is one of the key use cases in single-cell transcriptomics. While supervised machine learning has been leveraged to automate cell annotation predictions for some time, there has been relatively little progress both in scaling neural networks to large data sets and in constructing models that generalize well across diverse tissues and biological contexts up to whole organisms.
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Aug 8, 2023 | 
mentalhealth.bmj.com | Felix R. Fischer |Dario Zocholl |Geraldine Rauch |Brooke Levis
depression & mood disorders Arias de la Torre et al argue in ‘Population health surveys and screening tools for depressive disorders: aims and uses’ that population-based studies like the European Health Interview Survey (EHIS) are primarily intended to identify and compare vulnerable groups and factors associated with depression on a population level, not to estimate prevalence of major depressive disorders (MDD).1 We fully agree that the use of brief depression questionnaires in such...
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Apr 28, 2023 | 
fair-news.de | Felix R. Fischer |von Felix Fischer
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Apr 20, 2023 | 
sport1.de | Kerry Hau |Felix R. Fischer
Nächster Titel futsch! Nach dem Aus im DFB-Pokal hat sich der FC Bayern nun auch aus der Champions League verabschiedet. Das 1:1 gegen Manchester City? Maximal frustrierend!Entsprechend gedämpft war die Stimmung in den Katakomben der Allianz Arena. Uli Hoeneß machte einen Abstecher in die Kabine, Sadio Mané sein eigenes Ding – und ein Reservist seinem Bank-Ärger Luft! Derweil munterte City-Coach Pep Guardiola zwei Bayern-Stars auf. SPORT1 liefert Beobachtungen, die im TV nicht zu sehen waren.
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Apr 19, 2023 | 
sport1.de | Kerry Hau |Felix R. Fischer
Kämpferisch kann man dem FC Bayern nichts vorwerfen - dennoch reicht es deutlich nicht für eine Aufholjagd gegen Manchester City. Das 1:1 (0:0) im Viertelfinal-Rückspiel besiegelt das Ausscheiden in der Champions League. Die Münchner erspielten sich zahlreiche Chancen, doch lediglich ein Tor nach Elfmeter in Person von Joshua Kimmich resultierte daraus. Was war ansonsten gut, was schlecht? Die Bayern-Stars in der Einzelkritik.
