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231226s2023 xx |||||o 00| ||eng c |
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|a 10.1002/adma.202302114
|2 doi
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|a pubmed24n1192.xml
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|a (DE-627)NLM357913930
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|a (NLM)37289574
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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| 100 |
1 |
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|a Schäfter, Dennis
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Molecular One- and Two-Qubit Systems with Very Long Coherence Times
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1 |
|c 2023
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Revised 21.09.2023
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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| 520 |
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|a © 2023 The Authors. Advanced Materials published by Wiley-VCH GmbH.
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|a General-purpose quantum computation and quantum simulation require multi-qubit architectures with precisely defined, robust interqubit interactions, coupled with local addressability. This is an unsolved challenge, primarily due to scalability issues. These issues often derive from poor control over interqubit interactions. Molecular systems are promising materials for the realization of large-scale quantum architectures, due to their high degree of positionability and the possibility to precisely tailor interqubit interactions. The simplest quantum architecture is the two-qubit system, with which quantum gate operations can be implemented. To be viable, a two-qubit system must possess long coherence times, the interqubit interaction must be well defined and the two qubits must also be addressable individually within the same quantum manipulation sequence. Here results are presented on the investigation of the spin dynamics of chlorinated triphenylmethyl organic radicals, in particular the perchlorotriphenylmethyl (PTM) radical, a mono-functionalized PTM, and a biradical PTM dimer. Extraordinarily long ensemble coherence times up to 148 µs are found at all temperatures below 100 K. Two-qubit and, importantly, individual qubit addressability in the biradical system are demonstrated. These results underline the potential of molecular materials for the development of quantum architectures
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|a Journal Article
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4 |
|a electron paramagnetic resonance
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| 650 |
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4 |
|a molecular quantum bits
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| 650 |
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4 |
|a organic radicals
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| 650 |
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4 |
|a quantum coherence
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| 650 |
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4 |
|a quantum technologies
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1 |
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|a Wischnat, Jonathan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tesi, Lorenzo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a De Sousa, J Alejandro
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Little, Edmund
|e verfasserin
|4 aut
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| 700 |
1 |
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|a McGuire, Jake
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Mas-Torrent, Marta
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rovira, Concepció
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Veciana, Jaume
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Tuna, Floriana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Crivillers, Núria
|e verfasserin
|4 aut
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| 700 |
1 |
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|a van Slageren, Joris
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Advanced materials (Deerfield Beach, Fla.)
|d 1998
|g 35(2023), 38 vom: 01. Sept., Seite e2302114
|w (DE-627)NLM098206397
|x 1521-4095
|7 nnns
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| 773 |
1 |
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|g volume:35
|g year:2023
|g number:38
|g day:01
|g month:09
|g pages:e2302114
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| 856 |
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|u http://dx.doi.org/10.1002/adma.202302114
|3 Volltext
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|a GBV_ILN_350
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|a AR
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|d 35
|j 2023
|e 38
|b 01
|c 09
|h e2302114
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