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Description
Relic GravitonsRelic Gravitons delves into the cosmic backgrounds of stochastic gravitational waves, exploring their potential as a unique source of information on the early physical conditions of the Universe close to the Planck epoch. Drawing on various lecture notes, articles, and reviews since the early 1990s, the monograph presents a topical account of the subject. The aim is to offer students and practitioners a useful tool for understanding the most recent
Relic Gravitons delves into the cosmic backgrounds of stochastic gravitational waves, exploring their potential as a unique source of information on the early physical conditions of the Universe close to the Planck epoch. Drawing on various lecture notes, articles, and reviews since the early 1990s, the monograph presents a topical account of the subject. The aim is to offer students and practitioners a useful tool for understanding the most recent developments of a lively field that is now thriving also thanks to forthcoming observational data.
While the detection of diffuse backgrounds of gravitational radiation might improve current bounds on the supplementary polarizations of gravitational waves, the author explores across the sixteen chapters of the monograph the sensitivity of cosmic gravitons to the new physics beyond the standard lore of fundamental interactions. It is argued that the discovery of relic gravitons may trigger a paradigm shift whose implications are yet to be fully understood.
In different respects, the physics of relic gravitons bridges the microworld of the standard model of fundamental interactions with the macroworld of gravity and cosmology. The ultimate purpose of this book is then to provide, at once, a systematic and self-contained presentation which is still sorely lacking in the current literature.
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4.3 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
5 beautiful stars for this masterpiece
-he falls first
-ptsd/mental health rep
-broken golden boy mmc
-black cat fmc
-found family
-college hockey
5 beautiful stars for this masterpiece! i’m in awe that this is a debut novel — peyton’s story is the perfect combination of angst, swoon, pain, & love. her writing instantly captures you & feels like it’s wrapping you in the biggest, coziest hug.
rhys is the definition of a walking green flag (literally though this man can do no wrong) after an intense injury the previous season, rhys is trying to feel at home again on the ice but is struggling with ptsd & panic attacks. he’s very quiet about what he’s going through which leads to him trying to resolve everything on his own. i loved rhys’ character development in this one. seeing him open up first to sadie and then to his family & friends was a huge step. the scene with him & his dad actually had me bawling. rhys has the biggest heart, he loves unconditionally, and is such a teddy bear. my favorite thing about him was how easy it was for him to give his love not just to sadie but to her brothers as well. rhys is the kind of person who will be there for you no matter what, even if you push him away he never backs down. i thought peyton’s
representation of ptsd/mental health was beautifully written
my sadie baby. she is EVERYTHING. caring for her brothers while trying to maintain her figure skating scholarship, grades, and two jobs was not easy. but she did it all by herself. her love for her brothers is so unconditional. i love how real these characters feel and how we got to see sadie both mentally & physically exhausted. what she was doing isn’t easy and it definitely took its toll on her but seeing her in those stages of feeling defeated or like nothing could go right made her feel so real and like someone you could connect with. sadie is super protective and she’s not afraid to put up a fight if you wrong the ones she loves. we get to see sadie in all her glory — happy, sad, doubtful, defeated, anxious, loving, confident, feisty, and so much more. it’s what makes her real. my favorite thing about sadie was getting to see her fall in love and accept the love she deserves from those around her
rhys & sadie together is a twin flame burning the brightest shade. after sadie helps rhys through a panic attack (and introduces him to the best taste music) they instantly have a connection. rhys sees her and feels safety & comfort. sadie instantly tries to keep her space since she has so much on her plate and thinks she doesn’t deserve someone like him. but what they share is undeniable and soon they start hanging out more as friends until the tension and chemistry shared between them explodes. they both help each other in so many different ways. they balance and lean on one another. the are golden and perfect and indescribably in love. sadie helps rhys feel like it’s okay not to be perfect all the time & rhys helps show sadie she deserves to be loved and that it’s okay to accept help. seeing them fall in love was so beautiful & i’m sad i’ll never be able to experience that for the first time again. they are GOLDEN
*also shoutout to rhys’ parents for being the absolute best*
this book is a masterpiece! it gives boys of tommen found family vibes along with the perfect combination of sports romance & angst. everyone needs to stop what they’re doing and read this book right now! i don’t even know who book 2 is about but all i know is that i can’t wait to go back to this world and these characters because i’m seriously so in love with them.
peyton, i’m in awe of you & so so proud. this is easily in my top 10 books of the year. i can’t wait to see what’s coming next and i feel so lucky that i get to experience your writing journey🧡
songs: peace, daylight, & you are in love
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Reviewed in the United States on November 5, 2023
★★★★★ 4
A sports romance debut that tugs on heartstrings!
Format: Kindle
“Unsteady” follows hockey captain Rhys Koteskiy and spitfire figure skater Sadie Brown after they enter a purely physical relationship to help them heal from their respective traumas. Their arrangement is meant to be temporary, but the more time they spend together, the harder they begin to fall.
I had been wanting to read this book for quite some time and was not expecting it to get me all up in my feels! Both characters have their own struggles that the other comforts them through. At the novel’s start, Rhys is recovering from a traumatic brain injury he suffered on the ice. I appreciated how seriously Sadie took Rhys’ situation and helped him through his panic attacks (mainly with music) while fighting her own demons. Despite the walls she puts up to distance herself from him, Rhys sees through her anger. He stole my heart with how in tune he became to Sadie’s needs and the way he stepped in to take care of her and her brothers after he learned of their living situation. The pining and protectiveness had me swooning. While the friends with benefits trope isn’t my favorite, I adored watching their relationship transform from one of shared trauma to shared love. Their opposite personalities truly complement each other perfectly!
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Reviewed in the United States on February 24, 2026
★★★★★ 3
Alright.
Format: Kindle
It was alright. A blend of shameless. (Literally Liam having a diff parent) and Binding 13 (Literally named Ollie) I wish the next book was Torren.
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Reviewed in the United States on September 17, 2025
★★★★★ 5
AMAZING Debut Hockey Romance!
T R O P E S
🏒 College Hockey/Figure Skating Romance
🏒 Cinnamon Roll MMC/Black Cat FMC
🏒 He Falls First
🏒 Friends to Friends With Benefits to Lovers
🏒 Found Family
🏒 Mental Health Rep
R E V I E W
I’m sorry. Excuse me. WHAT? How is this Peyton’s debut novel?! This book had NO BUSINESS being this good. IMMEDIATELY it is in the top 5 books I’ve read this year, and I’ve read nearly 125 books. I was blown away by how good this was and cannot recommend it enough.
This book follows Sadie, a figure skater who has a hard home life but is determined to succeed this year, and Rhys, the captain of the hockey team who took a hard hit in last year’s Frozen Four and is now struggling with getting back on the ice. These two are some of the BEST MCs I’ve read in a while! Sadie has so much going on, between her skating career, working 3 jobs, trying to get custody of her two younger brothers from their alcoholic dad, and school in general, this girl is stretched thin, but she is a power house - small but mighty. I loved her spitfire character! She is so guarded, but understandably so. I loved seeing her icy exterior melt for Rhys. And RHYS. I think he might be my favorite Rhys to date 👀 . He is the perfect Cinnamon Roll, but he’s also going through PTSD from a terrible hit and struggling. He becomes so obsessed with her and honestly, I’m a little jealous. (Let’s not forget about the mouth on this man though 🥵 .) I LOVED them as a pair and the angst and tension between them was spectacular! I love how they pushed each other and how well they matched. The spice between them was perfection as well! This was such a good blend of character development, plot, and spice.
I also have to discuss the amazing side characters. First of all, Sadie’s brothers are the stars of this show. Liam was the cutest thing on this planet and I just wanted to give Oliver a hug (but won’t because he doesn’t want to be touched). The way Rhys interacts with them and the whole storyline with them made me bawl. It was soooo good. Then we have Rhys’ family! His parents are magnificent and I need to know more about their story! And lastly, we cannot forget Rhys’ team. I cannot wait for more books about each and every one of them. They were all introduced so well and I KNOW there are going to be some fantastic stories told about them. I’m going to need this to be a series with all of the hockey teammates (Toren and Bennett both have me eyeing them up and I needed their books YESTERDAY). I’m also going to need a prequel novel about Rhys’ parents AND a next gen spinoff with Sadie’s younger brothers. This book is going to be a trophy I buy for my shelf so I can reread it and I will definitely be reading anything and everything Peyton writes in the future!
The mental health rep in this book was chefs kiss. We saw them both struggling with their thoughts and emotions, saw them using each other for comfort, and saw them both getting true help. I loved that Rhys recognized he was using her as a crutch and sought therapy. We need more mental health rep that is done like this!
Honestly, I cannot recommend this book enough. It had me laughing, blushing, and full on crying so many times. There was so much emotion, care, and love packed into this book. BRAVO Peyton on writing such a magnificent debut novel!
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Reviewed in the United States on February 16, 2024
★★★★★ 4
Love. Such a beautiful story!
Format: Kindle
Rhys and Sadie Gray meet at a point in their lives where they really need each other. Their initial impressions of each other are not that great and they start off on the wrong skates. These two are both struggling with their own issues and each carries their own stress differently. Rhys struggles with the aftermath of a traumatic injury while playing hockey. Sadie struggles with the weight of responsibility. Their story is not unique, but in this genre it's the first time I've read a story like this and it did not disappoint. It's such a beautiful story about love and staying steadfast in your conviction to stand by the person you love even when they don't think they deserve it and push back. The love Rhys has is unmatched and it reminded me of Johnny from Boys of Tommen. The author did an incredible job and I can't wait to read more from her.
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Reviewed in the United States on May 12, 2025