Giancarlo Gatti

14 posts

Giancarlo Gatti

Giancarlo Gatti

@Gatgian

Quantum physicist doing a PhD in the Basque Country. Sushi lover. Board game creator.

Bilbao, Spain Katılım Ağustos 2015
119 Takip Edilen139 Takipçiler
Giancarlo Gatti
Giancarlo Gatti@Gatgian·
@SephSeddon @csferrie Information is the number of possibilities. If something has d possibilities, I can use its state to write down something else with that many possibilities (and we say that's log_2(d) bits). Then, anything can be used to convey information, but in itself, information is a number
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TwoDogs ∞ 🦋
TwoDogs ∞ 🦋@Steph2Dogs·
@csferrie But what is information? Serious question. Information exists, it can be generated, it can be stored, it can be used... Is information matter? Is it energy? Something else?
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Giancarlo Gatti
Giancarlo Gatti@Gatgian·
@brijhcu @csferrie Gonna be a bit more specific: the no-deleting theorem forbids deleting an unknown q. state via a closed quantum evolution. At best you can move around the state, but not get rid of it. It has to always be recoverable. That kT ln(2) emission? That's the information you just reset
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X@brijhcu·
@csferrie I agree with that! What is quantum information? It's not clearly defined.
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Giancarlo Gatti
Giancarlo Gatti@Gatgian·
@brijhcu @csferrie The no-deleting theorem forbids resetting an unknown q. state. At best you can swap it with a "clean" |0> state, and then dump the "dirty" state into a reservoir, emitting in avg kT ln(2) units of heat (assuming it was a qubit), which just happens to be Landauer's heat emission.
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Giancarlo Gatti
Giancarlo Gatti@Gatgian·
@brijhcu @csferrie I wouldn't be overly critical with the phrase "no physical connection". We all know what that means (and it does not mean "unphysical"). Information IS physical, yes. Landauer's heat-emitting erasure does point in that direction, and it has a link to the no-deleting theorem too.
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Giancarlo Gatti retweetledi
Heleven🇵🇸 (@heleven.bsky.social)
⬇️CONDUCTAS DE MALTRATO EN LA ISLA DE LAS TENTACIONES⬇️ Casi en el día Internacional para la Eliminación de la Violencia contra la Mujer, tuvo lugar una situación clarísima de violencia psicológica en uno de los programas de televisión más vistos del país.
Heleven🇵🇸 (@heleven.bsky.social) tweet media
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Carla AT ☕📡
Carla AT ☕📡@astrocarlaa·
Ahorita estamos en el programa de Manray @litolobo y la gente me ponen de chapa "Greta Thunberg" jajaja se pasan de palomas
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Giancarlo Gatti
Giancarlo Gatti@Gatgian·
This protocol shows quantum advantage over state-of-the-art information storage capacity (a cloud server of 1 billion users with 100GB each) for more than 44 qubits. Also, just for fun, systems above 100 qubits would be sufficient to encode a brute force solution for chess. (2/2)
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Giancarlo Gatti
Giancarlo Gatti@Gatgian·
These are the four quantum algorithms that I presented in "Quantum Technologies: Academia Meets Industry" of Shanghai University & Huawei last week. Research currently underway by the QUTIS OpenSuperQ team: @qmisanz, D. Huerga, @quantum_ana, and I. @QUTIS3 @OpenSuperQ @artist_qu
Giancarlo Gatti tweet mediaGiancarlo Gatti tweet media
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