#materials discovery

[frank-olivier]

Quantum Simulation: A Frontier in Scientific Research

Quantum simulation, a burgeoning field in modern physics, leverages the unique properties of quantum systems to replicate and investigate the behavior of other complex quantum systems. This approach offers a powerful tool to study intricate quantum phenomena that are otherwise challenging to analyze using classical computational methods or experimental setups. By harnessing the principles of quantum mechanics, quantum simulation enables researchers to explore parameter spaces inaccessible to classical simulations and gain unique insights into the underlying physics.

One of the primary platforms for quantum simulation is ultracold atomic gases, cooled to temperatures close to absolute zero. The low temperatures and high phase-space density of these systems allow for the study of individual atoms and molecules in a highly controlled environment, with minimal interactions with the surrounding environment. Optical lattices, created by interfering laser beams, provide a versatile and highly controllable platform for quantum simulations. By adjusting the laser parameters, researchers can engineer various types of lattice structures, enabling the study of phenomena such as Anderson localization, quantum phase transitions, and many-body dynamics. The periodic potential created by the optical lattice can mimic the crystal lattice of solid-state systems, allowing for the investigation of condensed matter physics in a clean and controllable environment.

Superconducting qubits, trapped ions, and nitrogen-vacancy centers in diamonds are alternative platforms for quantum simulation, each with its unique strengths and capabilities. Superconducting qubits use superconducting circuits to encode quantum information and exhibit long coherence times. Trapped ions allow for precise control and readout of their quantum states using electromagnetic fields. Nitrogen-vacancy centers in diamonds offer long-lived spins and coupling to other spins, making them useful for quantum information processing and sensing applications.

A significant challenge in quantum simulation is minimizing and correcting errors, which can arise from imperfections in the experimental setup or external disturbances. These errors can lead to decoherence, causing the quantum system to lose its coherence and become difficult to control. Researchers have developed robust quantum simulation methods and error correction codes to mitigate these errors and extend the capabilities of quantum simulations. Techniques such as quantum error correction, dynamical error suppression, and fault-tolerant quantum computing aim to overcome these challenges and enable longer and more accurate quantum simulations.

Quantum simulation has enabled the discovery of new phases, such as topological insulators and supersolids, and the study of strongly correlated systems, like high-temperature superconductors. By mimicking condensed matter systems in the laboratory, researchers can observe and understand their behavior in detail, leading to a deeper understanding of quantum phenomena and the development of new materials and technologies. Quantum simulations have the potential to revolutionize fields such as condensed matter physics, materials science, and chemistry. By simulating molecular Hamiltonians, quantum simulations can provide insights into chemical reactions, electronic structures, and excited states, with implications for drug discovery and materials design. Furthermore, quantum simulations can accelerate materials discovery by predicting the properties of new materials and optimizing existing ones for specific applications.

Esteban Adrian Martinez: Introduction to Quantum Simulators (Summer School on Collective Behaviour in Quantum Matter, September 2018)

Tuesday, November 5, 2024

[skrunksthatwunk]

the debate continues (pt 1) but kurama gets called in

bonus under the cut (ft hiei):

gay people

[fandommothfreak]

I think movie buff Duke Thomas should force Jason to watch the LOTR movies and literature nerd Jason Todd should force Duke to read the books.

They should make a movie night out of it and then a weekly book club that's really just Jason periodically hacking comms during Duke's patrol so he can yell at him to finish each chapter like a deranged English teacher that follows you around at work. And then they should get into heated arguments about Tom Bombadil; and Duke should get really invested in overanalyzing all the poetry in the book trilogy; and Jason should rewatch all three movies like seven times at least so he can scribble thoughts into the margins of his paperback copies, write dissertations in his head about the effectiveness of different story changes, and cry at Sam's "But I can carry you!" without having to stop reading.

And then they should repeat all of this with The Hobbit. They're both a little psychotic about it and the rest of the family is tired.

[juricore]

utena is so like. yes this is orpheus and eurydice yes this is thee narrative about breaking abusive cycles yes this is about the ability to change your stars/fate but it is also exactly what being a regular 14 yr old girl felt like

[love-fireflysong]

Debating on causing myself absolute misery by replaying the Assassin's Creed series in the way that they are absolutely NOT meant to be played:

chronological order

Which for the uninitiated probably doesn't sound too bad and for the most part they'd be right. The problem only rears its head once you reach the years of 1752 to 1778 where, and I am not lying, THREE games are taking place at the exact same time.

four if you count the first half of the sequence 1-1 memory from unity

which I do fhdjdksjs

[whatasmoothgardener]

A teen girl with two best friends lives a double life as a pop idol. Complete with wearing a wig to disguise her identity. Who am I talking about Blue Rose or Hannah Montana?

[mxflowercheck]

so my bestie here @slice-of-julysky doesn't know what's a normal sleeping schedule, so when we shared a dorm i was the one who sent her to bed. BUT NOW she's got a girlfriend (congrats btw you two are the cutest) and her gf does the same thing

but it's different. and i have a hyperfixation. so here a based-on-real-life-headcanon

what Straal had to do to get Paul to sleep: physically pull him from the desk, take his jacker off or else paul would sleep in it, tonnes of arguing and (affectionate) threatening, step-by-step instructions 'cause paul is smart and sly and would find a way out of it

what Hugh had to do to get Paul to sleep: tell him to go to sleep, smile, tuck him gently and give him a goodnight kiss

(Straal after seeing this: i hate you. i hate you both. what the fuck paul, YOU DIDN'T EVEN TRY TO FINISH THE EQUATION)

[gremmyroeroe]

Chat!!!! I got gender euphoria for trying out masc pronouns by my boyfriend and endless support AND i found out a label that fits me for atleast sexuality!! Its so nice omg. I am confused on my identity tho which is ok. Like he called me his pretty boy amd hamdsome husbamd 😭😭 i love him so much and he going to be such a good dad even if we dont work out potentially.

[creepyscritches]

Since I stopped regularly posting my art online it's nuts the psyche reset my art brain went through. Ego death of whatever deviantart mentality. I'm back to drawing w markers bc it's fun, baby. Making my weird little things and breaking crafts bc it's not always an unusable result lol. Waiting to get back to my 12yr old mary sue generator brain, it's the next step to making more things I enjoy making

[zzz-updates]

New Eridu Urban Discoveries | Two Slices of Bread Can Hold Anything!

Abandoned "Breaded Belief" TV Commercial Plan Proposal:

Tomato: "It feels so warm... Where am I?"

Lettuce: "Silly kid, we're inside this soft, fluffy bread~"

Before the sentence is even finished, the fresh, crisp vegetables drip with joyous juices.

>> Official Hoyolab post <<

[thehopelessauthor]

G.O.A.T Romances

1. Stolas x Blitz = Stolitz)

2. Fran x Maxwell (Franxwell)

3. Lucifer x Chloe (Deckerstar)

Recent:

4. Mattthew x Diana (Mariana)

5. Lyra x Will (Lyrill)

6. Nora x Nathan (Upload)

7. Geralt x Yennerfer (Yeralt)

8. Branch x Poppy (Broppy)

9. Anthony (Angel Dust) x Husk = Huskerdust / Anthusker)

<> Semi-canon but not canonically confirmed yet

[wayti-blog]

"Scientists are a step closer to unraveling the mysterious forces of the universe after working out how to measure gravity on a microscopic level."

"(...) now physicists at the University of Southampton, working with scientists in Europe, have successfully detected a weak gravitational pull on a tiny particle using a new technique.

They claim it could pave the way to finding the elusive quantum gravity theory.

The experiment, published in Science Advances, used levitating magnets to detect gravity on microscopic particles—small enough to border on the quantum realm.

Lead author Tim Fuchs, from the University of Southampton, said the results could help experts find the missing puzzle piece in our picture of reality.

He added, "For a century, scientists have tried and failed to understand how gravity and quantum mechanics work together. Now we have successfully measured gravitational signals at a smallest mass ever recorded, it means we are one step closer to finally realizing how it works in tandem.

"From here we will start scaling the source down using this technique until we reach the quantum world on both sides. By understanding quantum gravity, we could solve some of the mysteries of our universe—like how it began, what happens inside black holes, or uniting all forces into one big theory.""

continue reading article

[badolmen]

Truly heartbreaking to see a meme that generalizes autism special interests/adhd hyperfixations as a purely fandom thing/excludes ye old trains and encyclopedia folks like me. ‘Who was your favorite character from your first hyperfixation???’ Well. Uh, this is kinda awkward, but it was rose quartz. No, not from Steven Universe, I mean rose quartz from my geology books. Granite was always a close second but ehhh you know how it is with igneous rocks there’s too much variation to say granite is my favorite vs rose quartz which tends to be more consistent because it’s a crystalline mineral with definite composition.

[dihalect]

anti 'ai' people make 1 (one) well-informed, good-faith argument challenge(impossible)

[turiyatitta]

The Unseen Riches

A Journey Beyond Material Bounds“Being spiritually awakened is like being a multi-billionaire, yet living like a bum.” In an era where the accumulation of material wealth often dictates societal status and personal value, the concept of spiritual awakening offers a radical departure from conventional measures of riches. This awakening is akin to discovering an inexhaustible treasure within…

[covenawhite66]

Homo sapiens likely made it to Northern Europe 47,500 years ago. A detailed analysis of stone tools from a cave in Ranis Germany suggests; stone artefacts that were thought to be produced by Neanderthals were in fact part of the early Homo sapiens tool kit.

Technocomplexes (types of stone age technology in a given region)during this transition.

One such technocomplex for which the makers are unknown is the Lincombian–Ranisian–Jerzmanowician (LRJ), which has been described in northwestern and central Europe.