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Thursday, March 2, 2023

Watch SpaceX's Crew-6 astronauts arrive at space station

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March 2, 2023
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The Launchpad
SpaceX launches Crew-6 mission to space station
(NASA/Frank Michaux)
Crew-6 is expected to dock with the International Space Station early Friday morning (March 3).
Full Story: Space (3/2) 
Watch Crew-6 astronauts arrive at space station Friday
(NASA/Kjell Lindgren)
Docking is expected to occur at 1:17 a.m. ET on Friday (March 3).
Full Story: Space (3/2) 
POLL QUESTION:
Space quiz! SpaceX's Crew-6 mission is sending which country's first long-duration astronaut to the ISS?
Learn the answer here!
VoteSaudi Arabia
VoteUnited Arab Emirates
VoteQatar
VoteOman
Space Deal of the Day
Best night vision binoculars 2023: Spot subjects in the dark
(Getty and Hexeum)
All the best night vision binoculars, goggles and monoculars are especially helpful for seeing in the dark, particularly during the longer winter nights.
Full Story: Space (4/29) 
Skywatching
The auroras of February 2023 are a feast for stargazers
(Shari Hunt)
A series of powerful solar storms set the sky ablaze in the last two days of February, with aurora sightings reported unexpectedly far away from their usual territories.
Full Story: Space (3/1) 
Science & Astronomy
Hubble sees strange changes in asteroid after DART
(SCIENCE: NASA, ESA, STScI, Jian-Yang Li (PSI) IMAGE PROCESSING: Joseph DePasquale (STScI))
Science continues to roll in from DART's epic September 2022 asteroid crash.
Full Story: Space (3/1) 
What NASA has learned months after DART asteroid crash
(NASA/JHUAPL)
We now know that we can knock an asteroid off course.
Full Story: Space (3/1) 
SpaceX
SpaceX Crew-5 astronauts reflect on their time in orbit
(NASA)
The four spaceflyers have spent an eventful five months off Earth.
Full Story: Space (3/1) 
SpaceX gearing up to launch 2 private astronaut missions
(NASA/Joel Kowsky)
The private Ax-2 and Polaris Dawn missions appear to be next on SpaceX's crewed-flight manifest.
Full Story: Space (3/2) 
Spaceflight
NASA hails SpaceX's 'beautiful' Crew-6 astronaut launch
(NASA/Joel Kowsky)
SpaceX just sent another batch of astronauts toward the International Space Station (ISS), and NASA couldn't be happier.
Full Story: Space (3/2) 
Star Wars
Lego's new Executor Super Star Destroyer looks fantastic
(Lego)
The brand new model ship is available to pre-order in celebration of The Return Of The Jedi's 40th anniversary.
Full Story: Space (3/2) 
Denuo Novo The Mandalorian Helmet review
(Ian Stokes)
It's the closest most of us will get to looking like Pedro Pascal.
Full Story: Space (3/2) 
 
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Seminars Digest, Vol 52, Issue 1

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Today's Topics:

1. Friday 03.03.2023 (Serge Krashakov)


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Message: 1
Date: Wed, 1 Mar 2023 17:59:40 +0300
From: Serge Krashakov <sakr@itp.ac.ru>
To: staff@itp.ac.ru, students@itp.ac.ru, seminars@itp.ac.ru
Subject: [Landau ITP Seminars] Friday 03.03.2023
Message-ID: <0bf13cab-d385-5063-3459-b2bc15a7971d@itp.ac.ru>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

Π£Π²Π°ΠΆΠ°Π΅ΠΌΡ‹Π΅ ΠΊΠΎΠ»Π»Π΅Π³ΠΈ,

Π’ пятницу 3 ΠΌΠ°Ρ€Ρ‚Π° 2023 Π³ΠΎΠ΄Π° Π² 11:30 состоится ΠΊΠΎΠ»Π»ΠΎΠΊΠ²ΠΈΡƒΠΌ, Π½Π° ΠΊΠΎΡ‚ΠΎΡ€ΠΎΠΌ
Π±ΡƒΠ΄Π΅Ρ‚ Π·Π°ΡΠ»ΡƒΡˆΠ°Π½ Π΄ΠΎΠΊΠ»Π°Π΄:

Π‘.И. Π”ΠΎΡ€ΠΎΠΆΠΊΠΈΠ½ (ИЀВВ)
*Π”Π²ΡƒΠΌΠ΅Ρ€Π½Ρ‹Π΅ элСктронныС систСмы ΠΏΠΎΠ΄ ΠΌΠΈΠΊΡ€ΠΎΠ²ΠΎΠ»Π½ΠΎΠ²Ρ‹ΠΌ ΠΎΠ±Π»ΡƒΡ‡Π΅Π½ΠΈΠ΅ΠΌ:
ΠΈΠ½Π΄ΡƒΡ†ΠΈΡ€ΠΎΠ²Π°Π½Π½Ρ‹Π΅ ΠΈΠ·Π»ΡƒΡ‡Π΅Π½ΠΈΠ΅ΠΌ магнСтоосцилляции ΠΈ динамичСская домСнная
структура**
*
Π’ Π΄ΠΎΠΊΠ»Π°Π΄Π΅ Π±ΡƒΠ΄Π΅Ρ‚ сдСлан ΠΎΠ±Π·ΠΎΡ€ соврСмСнного состояния ΠΏΡ€ΠΎΠ±Π»Π΅ΠΌΡ‹
ΠΌΠΈΠΊΡ€ΠΎΠ²ΠΎΠ»Π½ΠΎΠ²ΠΎΠ³ΠΎ Ρ„ΠΎΡ‚ΠΎΠΎΡ‚ΠΊΠ»ΠΈΠΊΠ° Π΄Π²ΡƒΠΌΠ΅Ρ€Π½Ρ‹Ρ… элСктронных систСм с Π°ΠΊΡ†Π΅Π½Ρ‚ΠΎΠΌ Π½Π°
Ρ€Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Ρ‹ Π°Π²Ρ‚ΠΎΡ€Π° Π΄ΠΎΠΊΠ»Π°Π΄Π°. ΠžΡΠ½ΠΎΠ²Π½Ρ‹Π΅ тСзисы:
1. Π˜Π½Π΄ΡƒΡ†ΠΈΡ€ΠΎΠ²Π°Π½Π½Ρ‹Π΅ ΠΈΠ·Π»ΡƒΡ‡Π΅Π½ΠΈΠ΅ΠΌ гигантскиС магнСтоосцилляции сопротивлСния
ΠΈ проводимости ΡΠ²Π»ΡΡŽΡ‚ΡΡ ΠΎΠ±ΡŠΠ΅ΠΌΠ½Ρ‹ΠΌ эффСктом. ΠžΡΠ½ΠΎΠ²Π½Ρ‹ΠΌΠΈ ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌΠ°ΠΌΠΈ
возникновСния осцилляций ΡΡ‡ΠΈΡ‚Π°ΡŽΡ‚ΡΡ: (Π°) нСравновСсноС Π·Π°ΠΏΠΎΠ»Π½Π΅Π½ΠΈΠ΅ ΡƒΡ€ΠΎΠ²Π½Π΅ΠΉ
Π›Π°Π½Π΄Π°Ρƒ ΠΈ (Π±) нСпрямыС ΠΏΠ΅Ρ€Π΅Ρ…ΠΎΠ΄Ρ‹ с ΠΏΠΎΠ³Π»ΠΎΡ‰Π΅Π½ΠΈΠ΅ΠΌ Ρ„ΠΎΡ‚ΠΎΠ½ΠΎΠ². БущСствованиС
ΠΏΠ΅Ρ€Π²ΠΎΠ³ΠΎ ΠΈΠ· ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌΠΎΠ² Π΄ΠΎΠΊΠ°Π·Π°Π½ΠΎ ΡΠΊΡΠΏΠ΅Ρ€ΠΈΠΌΠ΅Π½Ρ‚Π°Π»ΡŒΠ½ΠΎ наблюдСниСм
магнСтоосцилляций Смкости Π² двухслойной элСктронной систСмС.
2. ΠœΠ°Π³Π½Π΅Ρ‚ΠΎΠΎΡΡ†ΠΈΠ»Π»ΡΡ†ΠΈΠΈ Ρ„ΠΎΡ‚ΠΎΠ³Π°Π»ΡŒΠ²Π°Π½ΠΈΡ‡Π΅ΡΠΊΠΈΡ… ΠΏΠ°Ρ€Π°ΠΌΠ΅Ρ‚Ρ€ΠΎΠ² (ΠΌΠΈΠΊΡ€ΠΎΠ²ΠΎΠ»Π½ΠΎΠ²Ρ‹Ρ…
Ρ„ΠΎΡ‚ΠΎ-Π­Π”Π‘ ΠΈ Ρ„ΠΎΡ‚ΠΎΡ‚ΠΎΠΊΠ°) обусловлСны Π·Π°Π³ΠΈΠ±ΠΎΠΌ Π·ΠΎΠ½ ΠΎΠΊΠΎΠ»ΠΎ ΠΊΠΎΠ½Ρ‚Π°ΠΊΡ‚ΠΎΠ² ΠΈ
Π½Π°Ρ€ΡƒΡˆΠ΅Π½ΠΈΠ΅ΠΌ Π² нСравновСсном состоянии ΡΠΎΠΎΡ‚Π½ΠΎΡˆΠ΅Π½ΠΈΡ Π­ΠΉΠ½ΡˆΡ‚Π΅ΠΉΠ½Π° ΠΌΠ΅ΠΆΠ΄Ρƒ
ΠΏΡ€ΠΎΠ²ΠΎΠ΄ΠΈΠΌΠΎΡΡ‚ΡŒΡŽ ΠΈ коэффициСнтом Π΄ΠΈΡ„Ρ„ΡƒΠ·ΠΈΠΈ.
3. Π’ ΠΌΠΈΠ½ΠΈΠΌΡƒΠΌΠ°Ρ… основных магнСтоосцилляций сопротивлСниС ΠΈ диссипативная
ΠΏΡ€ΠΎΠ²ΠΎΠ΄ΠΈΠΌΠΎΡΡ‚ΡŒ стрСмятся ΠΊ Π½ΡƒΠ»ΡŽ ("zero-resistance states"), Ρ‡Ρ‚ΠΎ, согласно
Ρ‚Π΅ΠΎΡ€ΠΈΠΈ, являСтся проявлСниСм спонтанного образования Π΄ΠΎΠΌΠ΅Π½ΠΎΠ² холловского
элСктричСского поля. Π­ΠΊΡΠΏΠ΅Ρ€ΠΈΠΌΠ΅Π½Ρ‚Π°Π»ΡŒΠ½ΠΎ ΠΎΠ±Π½Π°Ρ€ΡƒΠΆΠ΅Π½Π° динамичСская домСнная
структура, Π² ΠΊΠΎΡ‚ΠΎΡ€ΠΎΠΉ Π² стационарных Π²Π½Π΅ΡˆΠ½ΠΈΡ… условиях происходят
квазипСриодичСскиС ΠΏΠ΅Ρ€Π΅Π²ΠΎΡ€ΠΎΡ‚Ρ‹ элСктричСского поля Π² Π΄ΠΎΠΌΠ΅Π½Π°Ρ….
ВСорСтичСски ΠΈ ΡΠΊΡΠΏΠ΅Ρ€ΠΈΠΌΠ΅Π½Ρ‚Π°Π»ΡŒΠ½ΠΎ ΠΏΠΎΠΊΠ°Π·Π°Π½ΠΎ, Ρ‡Ρ‚ΠΎ такая Π΄ΠΈΠ½Π°ΠΌΠΈΠΊΠ° обусловлСна
экранировкой элСктричСского поля Π΄ΠΎΠΌΠ΅Π½ΠΎΠ² зарядами слоя лСгирования.
4. ΠžΡΠ½ΠΎΠ²Π½Ρ‹ΠΌΠΈ ΠΏΡ€ΠΎΠ±Π»Π΅ΠΌΠ°ΠΌΠΈ Π½Π° сСгодняшний дСнь ΠΏΡ€Π΅Π΄ΡΡ‚Π°Π²Π»ΡΡŽΡ‚ΡΡ объяснСниС
ΡΡƒΡ‰Π΅ΡΡ‚Π²ΡƒΡŽΡ‰ΠΈΡ… экспСримСнтов Π² Ρ€Π΅ΠΆΠΈΠΌΠ΅ Ρ†ΠΈΠΊΠ»ΠΎΡ‚Ρ€ΠΎΠ½Π½ΠΎΠ³ΠΎ рСзонанса, Π° Ρ‚Π°ΠΊΠΆΠ΅
согласованиС особСнностСй Π² ΠΏΠΎΠ³Π»ΠΎΡ‰Π΅Π½ΠΈΠΈ ΠΌΠΈΠΊΡ€ΠΎΠ²ΠΎΠ»Π½ΠΎΠ²ΠΎΠ³ΠΎ излучСния, Π²
основном опрСдСляСмых ΠΌΠ°Π³Π½Π΅Ρ‚ΠΎΠΏΠ»Π°Π·ΠΌΠΎΠ½Π°ΠΌΠΈ, с одночастичным друдСвским
ΠΏΠΎΠ³Π»ΠΎΡ‰Π΅Π½ΠΈΠ΅ΠΌ, ΠΈΡΠΏΠΎΠ»ΡŒΠ·ΡƒΠ΅ΠΌΡ‹ΠΌ Π² Ρ‚Π΅ΠΎΡ€ΠΈΠΈ. Π­ΠΊΡΠΏΠ΅Ρ€ΠΈΠΌΠ΅Π½Ρ‚Π°Π»ΡŒΠ½Ρ‹Π΅ Ρ€Π΅Π·ΡƒΠ»ΡŒΡ‚Π°Ρ‚Ρ‹ ΠΏΠΎ
ΠΏΠΎΠ³Π»ΠΎΡ‰Π΅Π½ΠΈΡŽ излучСния ΡΠ²ΠΈΠ΄Π΅Ρ‚Π΅Π»ΡŒΡΡ‚Π²ΡƒΡŽΡ‚ Π² ΠΏΠΎΠ»ΡŒΠ·Ρƒ сосущСствования ΠΎΠ±ΠΎΠΈΡ…
ΠΌΠ΅Ρ…Π°Π½ΠΈΠ·ΠΌΠΎΠ².


ID ΠΈ ΠΏΠ°Ρ€ΠΎΠ»ΡŒ ΠΎΠ½Π»Π°ΠΉΠ½-трансляций Π² Zoom Ρ‚Π΅ ΠΆΠ΅, Ρ‡Ρ‚ΠΎ ΠΈ для ΠΏΡ€Π΅Π΄Ρ‹Π΄ΡƒΡ‰ΠΈΡ…
трансляций Π΄ΠΎΠΊΠ»Π°Π΄ΠΎΠ² Π½Π° Π£Ρ‡Π΅Π½ΠΎΠΌ совСтС:
https://zoom.us/j/96899364518?pwd=MzBsR2lYT0lYL2x2b1oyNU9LeWlWUT09
Meeting ID: 968 9936 4518
ΠŸΠ°Ρ€ΠΎΠ»ΡŒ: 250319
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