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NASA's Jet Propulsion Lab laying off 8% of its workforce

NASA's Jet Propulsion Lab laying off 8% of its workforce | NASA's Juno snaps photos of Jupiter's volcanic moon Io | Drone deals 2024: savings on DJI, Autel, Holy Stone & more
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February 7, 2024
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The Launchpad
NASA's Jet Propulsion Lab laying off 8% of its workforce
(NASA/JPL-Caltech)
Budgetary issues have forced the Jet Propulsion Laboratory (JPL), NASA's chief center for robotic planetary exploration, to reduce its workforce by about 8%. The cuts affect roughly 530 employees and 40 contractors, according to JPL officials, who announced the news yesterday (Feb. 6).
Full Story: Space (2/6) 
Email
NASA's Juno snaps photos of Jupiter's volcanic moon Io
(NASA)
NASA's Juno spacecraft has now paid Jupiter's moon Io its second close-up visit in less than two Earth months. To mark the rendezvous, NASA and the Southwest Research Institute released a new batch of images showing the infamously infernal moon in a state of seemingly uncharacteristic calm. Scientists also released a video showing Juno's gradual approach to the Jovian satellite - a sphere pockmarked with points of light from volcanic eruptions.
Full Story: Space (2/6) 
Email
Space Deal of the Day
Drone deals 2024: savings on DJI, Autel, Holy Stone & more
(Future)
Drone deals are often sought after and after searching through a number of reputable retailers on the market, we've highlighted the top discounts. If you're looking to take your first steps into the world of drones, you can grab a sizable discount and you may even find some of the best beginner drones.
Full Story: Space (11/23) 
Spaceflight
SpaceX targeting Feb. 14 for private IM-1 moon mission
(Intuitive Machines)
There will be some exciting spaceflight action on Valentine's Day, if all goes according to plan. SpaceX and Houston-based Intuitive Machines are targeting Feb. 14 for the launch of the private IM-1 moon mission, the two companies announced.
Full Story: Space (2/6) 
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Science & Astronomy
Telescope finds 'super-Earth' in star's Goldilocks zone
(Robert Lea created with Canva)
NASA's Transiting Exoplanet Survey Satellite (TESS) has spotted a 'super-Earth' planet orbiting in the habitable zone of a relatively nearby red dwarf star. The extrasolar planet or 'exoplanet,' which has been designated TOI-715 b, might have company in the form of an Earth-sized planet.
Full Story: Space (2/6) 
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SpaceX
SpaceX launching Starlink satellites from California tonight
(SpaceX)
SpaceX plans to launch another batch of its Starlink internet satellites on Wednesday evening (Feb. 8), weather permitting. A Falcon 9 rocket carrying 22 Starlink spacecraft is scheduled to lift off from Vandenberg Space Force Base in California on Wednesday no earlier than 8:17 p.m. EST (5:17 p.m. local California time or 0117 GMT on Feb. 8).
Full Story: Space (2/6) 
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Search for Life
Asteroid fragments confirmed as old as the solar system
(SETI)
Fragments of an asteroid that exploded over Germany on Jan. 21 and were recovered five days later have been confirmed to be a rare space rock type that could help shed light on Earth's origins. As Space.com initially reported on Feb. 1, scientists suspected that the strange appearance of the meteorite fragments from the parent asteroid 2024 BX1 indicated they were part of a rare group called aubrites. These suspicions have now been confirmed.
Full Story: Space (2/6) 
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Telescopes & Binoculars
Budget binoculars 2024: Cheap but high-quality models
(Tantse Walter)
The best budget binoculars make hobbies like astronomy and birdwatching more accessible because, let's face it, investing in optics can get expensive quickly. Not everyone can afford to buy top-of-the-line products, but that doesn't mean we should be deprived of hobbies and experiences. Inexpensive binoculars can be a more economical solution for those who want to use them occasionally.
Full Story: Space (2/6) 
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Seminars Digest, Vol 61, Issue 2

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Today's Topics:

1. Friday 09.02.2024 (Serge Krashakov)


----------------------------------------------------------------------

Message: 1
Date: Tue, 6 Feb 2024 23:46:17 +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 09.02.2024
Message-ID: <0500630b-8e42-481f-aab5-76690b827fbe@itp.ac.ru>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

Π£Π²Π°ΠΆΠ°Π΅ΠΌΡ‹Π΅ ΠΊΠΎΠ»Π»Π΅Π³ΠΈ!

 Π’ пятницу 9 фСвраля 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΄:

Π­Π΄ΡƒΠ°Ρ€Π΄ ДСвятов (ИЀВВ РАН)
*ΠžΡ‚ΠΊΠ»ΠΈΠΊ топологичСских повСрхностных состояний Π² ΠΌΠ°Π³Π½ΠΈΡ‚Π½Ρ‹Ρ… вСйлСвских
ΠΏΠΎΠ»ΡƒΠΌΠ΅Ρ‚Π°Π»Π»Π°Ρ…*

Подобно Π΄Ρ€ΡƒΠ³ΠΈΠΌ топологичСским ΠΌΠ°Ρ‚Π΅Ρ€ΠΈΠ°Π»Π°ΠΌ, ВСйлСвскиС ΠΏΠΎΠ»ΡƒΠΌΠ΅Ρ‚Π°Π»Π»Ρ‹
Ρ…Π°Ρ€Π°ΠΊΡ‚Π΅Ρ€ΠΈΠ·ΡƒΡŽΡ‚ΡΡ топологичСски Π·Π°Ρ‰ΠΈΡ‰Ρ‘Π½Π½Ρ‹ΠΌΠΈ повСрхностными состояниями –
Π€Π΅Ρ€ΠΌΠΈ-Π°Ρ€ΠΊΠ°ΠΌΠΈ, ΡΠΎΠ΅Π΄ΠΈΠ½ΡΡŽΡ‰ΠΈΠΌΠΈ ΠΏΡ€ΠΎΠ΅ΠΊΡ†ΠΈΠΈ вСйлСвских Ρ‚ΠΎΡ‡Π΅ΠΊ Π½Π° ΠΏΠΎΠ²Π΅Ρ€Ρ…Π½ΠΎΡΡ‚Π½ΡƒΡŽ
Π·ΠΎΠ½Ρƒ Π‘Ρ€ΡŽΠ»Π»ΠΈΡΠ½Π° Π² ΠΊ-пространствС [1]. Π’ ΠΎΡ‚Π»ΠΈΡ‡ΠΈΠ΅ ΠΎΡ‚ Π³Π΅Π»ΠΈΠΊΠΎΠΈΠ΄Π°Π»ΡŒΠ½Ρ‹Ρ…
повСрхностных состояний Π² топологичСских изоляторах, повСрхностныС
состояния Π² вСйлСвских ΠΏΠΎΠ»ΡƒΠΌΠ΅Ρ‚Π°Π»Π»Π°Ρ… ΡΠ²Π»ΡΡŽΡ‚ΡΡ ΠΊΠΈΡ€Π°Π»ΡŒΠ½Ρ‹ΠΌΠΈ, ΠΊΠ°ΠΊ Π²
чСрновском изоляторС (Ρ€Π΅ΠΆΠΈΠΌ ΠΊΠ²Π°Π½Ρ‚ΠΎΠ²ΠΎΠ³ΠΎ эффСкта Π₯ΠΎΠ»Π»Π°) [1]. НаличиС
Π€Π΅Ρ€ΠΌΠΈ-Π°Ρ€ΠΎΠΊ Π±Ρ‹Π»ΠΎ ΡΠΊΡΠΏΠ΅Ρ€ΠΈΠΌΠ΅Π½Ρ‚Π°Π»ΡŒΠ½ΠΎ продСмонстрировано ΠΊΠ°ΠΊ Π² ARPES
измСрСниях, Ρ‚Π°ΠΊ ΠΈ транспортными ΠΌΠ΅Ρ‚ΠΎΠ΄Π°ΠΌΠΈ. Π‘Π»Π΅Π΄ΡƒΠ΅Ρ‚ ΠΎΡ‚ΠΌΠ΅Ρ‚ΠΈΡ‚ΡŒ, Ρ‡Ρ‚ΠΎ Π² силу
связи ΠΌΠ΅ΠΆΠ΄Ρƒ ΠΈΠΌΠΏΡƒΠ»ΡŒΡΠΎΠΌ ΠΈ спином (spin-momentum locking) Π² Ρ„Π΅Ρ€ΠΌΠΈ-Π°Ρ€ΠΊΠ΅,
вСйлСвскиС ΠΏΠΎΠ»ΡƒΠΌΠ΅Ρ‚Π°Π»Π»Ρ‹ ΠΏΡ€Π΅Π΄ΡΡ‚Π°Π²Π»ΡΡŽΡ‚ собой интСрСсный ΠΎΠ±ΡŠΠ΅ΠΊΡ‚ для
исслСдования спин-зависимых явлСний.
Π’ Π΄Π°Π½Π½ΠΎΠΌ Π΄ΠΎΠΊΠ»Π°Π΄Π΅ ΠΌΡ‹ обсудим Π½Π°Π»ΠΈΡ‡ΠΈΠ΅ Π²ΠΊΠ»Π°Π΄Π° повСрхностных состояний Π²
ΠΌΠ°Π³Π½ΠΈΡ‚Π½ΠΎΠΌ ΠΎΡ‚ΠΊΠ»ΠΈΠΊΠ΅ ΠΏΡ€ΠΈ Ρ‚Π΅ΠΌΠΏΠ΅Ρ€Π°Ρ‚ΡƒΡ€Π°Ρ…, ΠΌΠ½ΠΎΠ³ΠΎ Π½ΠΈΠΆΠ΅ Ρ‚Π΅ΠΌΠΏΠ΅Ρ€Π°Ρ‚ΡƒΡ€Ρ‹ ΠšΡŽΡ€ΠΈ Π²
топологичСских ΠΏΠΎΠ»ΡƒΠΌΠ΅Ρ‚Π°Π»Π»Π°Ρ… Co_3 Sn_2 S_2 ΠΈ Fe_3 GeTe_2 , Π²ΠΊΠ»Π°Π΄ Π²
спин-Ρ‚Ρ€ΠΈΠΏΠ»Π΅Ρ‚Π½Ρ‹ΠΉ ДТозСфсоновский Ρ‚ΠΎΠΊ ΠΎΡ‚ топологичСски-Π·Π°Ρ‰ΠΈΡ‰Ρ‘Π½Π½Ρ‹Ρ…
состояний Ρ‚ΠΈΠΏΠ° Π€Π΅Ρ€ΠΌΠΈ-Π°Ρ€ΠΎΠΊ Π½Π° повСрхности Co_3 Sn_2 S_2 , эффСкты
Ρ‚ΠΎΠΊΠΎΠ²ΠΎΠ³ΠΎ возбуТдСния спиновых Π²ΠΎΠ»Π½ ΠΏΡ€ΠΈ Π½ΠΈΠ·ΠΊΠΈΡ… плотностях Ρ‚ΠΎΠΊΠ° Π²
ΠΌΠ°Π³Π½ΠΈΡ‚Π½Ρ‹Ρ… ВСйлСвских ΠΏΠΎΠ»ΡƒΠΌΠ΅Ρ‚Π°Π»Π»Π°Ρ….
Π”ΠΎΠΊΠ»Π°Π΄ основан Π½Π° сСрии Ρ€Π°Π±ΠΎΡ‚:
1) EPL, 127, 57002 (2019)
2) Phys. Rev. B 101, 035304 (2020)
3) Phys. Rev. B 101, 155309 (2020)
4) Journal of Magnetism and Magnetic Materials, 573, 170668 (2023)

[1] Π‘ΠΌ. ΠΎΠ±Π·ΠΎΡ€ N. P. Armitage, E. J. Mele, and A. Vishwanath, Rev. Mod.
Phys. 90, 15001 (2018).


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 сСминаров ΠΈ 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

ΠŸΡ€ΠΈ числС ΠΆΠ΅Π»Π°ΡŽΡ‰ΠΈΡ… Π½Π΅ ΠΌΠ΅Π½Π΅Π΅ 5 Π±ΡƒΠ΄Π΅Ρ‚ ΠΎΡ€Π³Π°Π½ΠΈΠ·ΠΎΠ²Π°Π½ автобус.
Для записи Π½Π° автобус ΠΈΠ· ΠœΠΎΡΠΊΠ²Ρ‹ Π² Π§Π΅Ρ€Π½ΠΎΠ³ΠΎΠ»ΠΎΠ²ΠΊΡƒ Π½Π΅ΠΎΠ±Ρ…ΠΎΠ΄ΠΈΠΌΠΎ Π΄ΠΎ 18:00
Ρ‡Π΅Ρ‚Π²Π΅Ρ€Π³Π° ΠΎΡ‚ΠΏΡ€Π°Π²ΠΈΡ‚ΡŒ письмо Π½Π° адрСс элСктронной ΠΏΠΎΡ‡Ρ‚Ρ‹ bus@itp.ac.ru
ПослС этого записавшимся Π΄ΠΎ 20:00 поступит ΠΏΠΎΠ΄Ρ‚Π²Π΅Ρ€ΠΆΠ΄Π΅Π½ΠΈΠ΅ ΠΎΠ± ΠΎΡ‚ΠΏΡ€Π°Π²ΠΊΠ΅ ΠΈΠ»ΠΈ
Π½Π΅ΠΎΡ‚ΠΏΡ€Π°Π²ΠΊΠ΅ автобуса Π² зависимости ΠΎΡ‚ числа Π·Π°ΠΏΠΈΡΠ°Π²ΡˆΠΈΡ…ΡΡ.
Π—Π°ΠΏΠΈΡΡŒ Π½Π° ΠΎΠ±Ρ€Π°Ρ‚Π½Ρ‹ΠΉ автобус - Π½Π° Π£Ρ‡Π΅Π½ΠΎΠΌ совСтС.
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