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Ultrafast Ising Mac...
Ultrafast Ising Machines using spin torque nano-oscillators
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- Albertsson, Dagur Ingi (författare)
- KTH,Integrerade komponenter och kretsar
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- Zahedinejad, Mohammad, 1986 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Univ Gothenburg, Phys Dept, S-41296 Gothenburg, Sweden.;NanOsc AB, Elect 229, S-16440 Kista, Sweden.
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- Houshang, Afshin (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Univ Gothenburg, Phys Dept, S-41296 Gothenburg, Sweden.;NanOsc AB, Elect 229, S-16440 Kista, Sweden.
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- Khymyn, Roman (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Univ Gothenburg, Phys Dept, S-41296 Gothenburg, Sweden.
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- Åkerman, Johan, 1970 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU),Univ Gothenburg, Phys Dept, S-41296 Gothenburg, Sweden.;NanOsc AB, Elect 229, S-16440 Kista, Sweden.
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- Rusu, Ana, 1959- (författare)
- KTH,Integrerade komponenter och kretsar
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(creator_code:org_t)
- AIP Publishing, 2021
- 2021
- Engelska.
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Ingår i: Applied Physics Letters. - : AIP Publishing. - 0003-6951 .- 1077-3118. ; 118:11
- Relaterad länk:
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https://aip.scitatio...
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Combinatorial optimization problems are known for being particularly hard to solve on traditional von Neumann architectures. This has led to the development of Ising Machines (IMs) based on quantum annealers and optical and electronic oscillators, demonstrating speed-ups compared to central processing unit (CPU) and graphics processing unit (GPU) algorithms. Spin torque nano-oscillators (STNOs) have shown GHz operating frequency, nanoscale size, and nanosecond turn-on time, which would allow their use in ultrafast oscillator-based IMs. Here, we show using numerical simulations based on STNO auto-oscillator theory that STNOs exhibit fundamental characteristics needed to realize IMs, including in-phase/out-of-phase synchronization and second harmonic injection locking phase binarization. Furthermore, we demonstrate numerically that large STNO network IMs can solve Max-Cut problems on nanosecond timescales.
Ämnesord
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Nyckelord
- Physics
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