Jab Time Ulta Chala — Aur Usi Se Bijli Bhi Nikal Aayi ⏳⚛️

 

Quantum Log · Los Alamos National Laboratory · 2026

Jab Time Ulta Chala —

Aur Usi Se Bijli Bhi Nikal Aayi

Scientists ne quantum systems ko itna precisely control kar liya hai ki unka time ka flow reverse dikhne lagta hai — aur is process se energy bhi harvest ho jaati hai. Sunne mein sci-fi lagta hai, hai bilkul real physics. ⏳⚛️

Time hamesha aage hi chalta hai — chai thandi hoti hai, glass toot ta hai, hum bade hote hain. Kabhi ulta nahi hota. Lekin Los Alamos National Laboratory ke physicists ne quantum world mein ek aisi cheez kar dikhayi hai jo iss "common sense" ko chunauti deti hai: unhone quantum systems ka behavior itna precisely control kar liya ki wo time mein peeche chalte hue dikhne lage.

Physical Review X journal mein June 2026 mein publish hui is study ne naye quantum control protocols introduce kiye hain, jo kisi system ke "arrow of time" ko reshape kar sakte hain — aur is process mein, energy bhi extract kar sakte hain.

Arrow Of Time Kya Hota Hai?

Yeh wo concept hai jo batata hai ki time sirf ek hi direction mein kyun chalta hua feel hota hai — past se future ki taraf, kabhi ulta nahi. Everyday classical physics mein, iski wajah entropy hai (disorder hamesha badhta hai, kam nahi hota). Lekin microscopic quantum level pe, physics ke fundamental laws actually time-symmetric hain — matlab, unke equations forward aur backward, dono directions mein equally valid hote hain.

Measurement Hi Hai Asli "Villain"

Toh phir quantum systems mein bhi time ek hi direction mein kyun feel hota hai? Jawaab hai — measurement. Jab hum ek quantum system ko measure karte hain, uski state randomly badal jaati hai. Yehi random disturbance naturally ek arrow of time create kar deta hai, bilkul waise jaise classical world mein entropy karta hai.

Researchers ne is disturbance ko cancel, strengthen, ya poora reverse karne ke liye ek control Hamiltonian design kiya — carefully planned electromagnetic fields aur pulses ka ek sequence, jo measurement ke effects ko replicate kar sakta hai. Jab isse ek feedback system ke saath combine kiya gaya, toh system aise trajectories follow karne laga jo stretched, blurred, ya poori tarah reversed arrow of time jaisi dikhti thi.

Los Alamos physicist Luis Pedro García-Pintos ke mutabik, roz-marra ki zindagi mein hum jo dekhte hain uske ulat, quantum level ke fundamental physics laws time ki dono directions ko equally possible maante hain — equations reverse time mein bhi utni hi achhi tarah kaam karte hain. Unki team ne jo tools banaye hain, wo quantum systems ke "perceived arrow of time" ko manipulate kar sakte hain, jisse control karne ke naye aur surprising tareeke milte hain.

— Luis Pedro García-Pintos, Los Alamos National Laboratory

Maxwell Ka Quantum "Demon"

Yeh research 19th century ke ek famous thought experiment se bhi connect hoti hai — Maxwell's Demon. Us imaginary scenario mein, ek hypothetical observer garam aur thande particles ko selectively sort karta hai, jisse entropy kam hoti dikhti hai — jo second law of thermodynamics (entropy hamesha badhti hai ya same rehti hai) ko challenge karta lagta hai. (Baad mein physics ne dikhaya ki agar saari thermodynamic costs count ki jayein, toh second law violate nahi hota.)

Los Alamos team ka quantum "demon" bhi kuch aisa hi karta hai — system ki state aur measurement results ki information use karke, wo bhi system ke natural arrow of time ko effectively reverse kar deta hai.

Normal Path

Measurement → random disturbance → entropy badhti hai → ek hi direction ka arrow of time.

Engineered Path

Control Hamiltonian + feedback → disturbance cancel/reverse → trajectory reversed arrow ki tarah dikhti hai.

Ab Isse Energy Bhi Nikal Sakte Hain!

Sabse practical part yeh hai — yeh naye control methods sirf time ke saath khelne tak limited nahi hain. Team ne demonstrate kiya ki inhi techniques se ek continuous measurement engine bhi bana sakte hain, jo monitoring process se hi useful energy extract kar sakta hai.

Matlab, quantum measurements ko ek thermodynamic resource ki tarah use kiya ja sakta hai — jisse actual "kaam" karwaya ja sake, jaise koi doosra quantum process chalana, ya energy ko ek quantum battery mein store karna.

2026

Physical Review X publication

3

Funding agencies involved

Qubits

Next experimental platform

Aage Kya?

Researchers ka agla step hai — in Hamiltonian-based measurement processes ko superconducting qubits par experimentally demonstrate karna. Yeh systems fast feedback aur highly efficient detection support karte hain, aur inhe pehle bhi quantum Maxwell's demon implement karne ke liye use kiya ja chuka hai. Future studies inhi techniques ko behtar quantum state preparation protocols banane ke liye bhi apply karengi.

Yeh research U.S. Department of Energy, Los Alamos ke Beyond Moore's Law project, aur National Science Foundation dwara supported hai — matlab yeh koi chhota experiment nahi, balki quantum computing aur quantum batteries ke future ki taraf ek serious step hai.

"Time sirf ek seedhi lakeer nahi hai — quantum world mein, yeh ek aisa control knob hai jise humne abhi ghumana seekha hai." ⏳✨

Yeh discovery abhi lab-stage pe hai, aur "time travel" jaisa kuch nahi hai jaisa movies mein dikhaya jaata hai. Lekin yeh zaroor dikhata hai ki quantum mechanics ke rules — jo humein counter-intuitive lagte hain — future mein better quantum computers, smarter quantum batteries, aur naye energy-harvesting tareeke de sakte hain.

Source: García-Pintos, L. P., Liu, Y-K., Gorshkov, A. V., "Reshaping the Quantum Arrow of Time," Physical Review X, 2026; 16(1). DOI: 10.1103/l18s-9vmh ·